JPH0961092A - Method and equipment for cleaning air conditioning machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable complete removal of a contaminant such as dust or nicotine sticking to or depositing on the inside of an air conditioning machine (air conditioner). SOLUTION: A supplying cover body 5 is brought into contact with an inlet part of an air conditioning machine, while a collecting cover body 6 is brought into contact with an outlet part thereof. A cleaning liquid put in a foamed state is sent into the supplying cover body 5 and discharged from the collecting cover body 6 by suction by a vacuum device 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cleaning method and a cleaning device for air conditioning equipment.

[0002]

2. Description of the Related Art An air conditioner such as an air conditioner sucks indoor air from an intake port, cools or heats the air, and then blows out the air from a ventilation port into the room. Not only the mouth part, but also the fan part, the evaporator, etc. provided in the air conditioner, the dust contained in the air,
Many pollutants such as tobacco tar, oil content, microorganisms such as mites and molds, pollen, etc. will adhere and accumulate.

Therefore, there is a possibility that the air blown out into the room will be contaminated, that a bad odor will be generated, or that the cooling and heating capacity will be reduced and the power consumption will be wasted due to a ventilation failure. In general, air conditioners are provided with a filter that can be attached to and detached from the intake port, but there is a natural limit to the filtration capacity, filterable period, or inspection management, so if the air conditioner is used for a long period of time. After all, the above-mentioned pollutants were supposed to adhere and deposit on each part.

[0004]

As described above, the pollutants attached to and accumulated in the interior of the air conditioner include tars and oily components of tobacco. Therefore, it is difficult to remove it even by wiping it with a piece of cloth soaked with a neutral detergent. In particular, with an evaporator or the like having many minute gaps, wiping with a piece of cloth may not be possible. Further, resin components such as a casing of an air conditioner may be deteriorated when a solvent such as benzine or alcohol is used.

For these reasons, conventionally, pollutants are rarely removed from air conditioners, and it is the actual situation that they are left unattended. The present invention has been made in view of the above circumstances, and reliably removes pollutants adhering to and depositing inside the air conditioning equipment, resulting in pollution and odor of blown air, or cooling and heating capacity associated with ventilation obstacles. It is an object of the present invention to provide a cleaning method and a cleaning device for an air conditioner capable of preventing a decrease in temperature and waste of power consumption.

[0006]

According to the present invention, the following technical measures have been taken in order to achieve the above object. That is, the present invention according to claim 1 (a method for cleaning an air conditioner) circulates the foamed cleaning agent from the intake port to the blower part of the installed air conditioner, and thereafter, the air conditioner. It is characterized by defoaming and drying the inside.

The cleaning agent that has flowed into the air conditioner from the intake port decomposes pollutants that have adhered to and accumulated on the fan section and the evaporator, and then flows out from the blower section. Therefore, after that, for example, the cleaning liquid (water or the like) may be circulated into the air conditioner or hot air or the like may be blown therein to perform defoaming / drying. In this case, before the cleaning agent flows into the intake port of the air conditioning equipment, the cleaning agent cannot flow through the blower opening side, so that the cleaning agent is filled in the air conditioning equipment for a predetermined time. It is possible to set a curing period (decomposition time of pollutants) such as.

The defoaming and drying of the cleaning agent may be performed by simply leaving the air conditioner for a predetermined time or longer. Further, at this time, it is possible to distribute the antifungal / antibacterial coating agent from the intake port of the air conditioner to the ventilation port. There is an advantage that deposition can be prevented. With this cleaning method, the air conditioner can be installed as is,
There is an advantage that the work is easy and the inside can be easily cleaned.

Since the inside of the air conditioner is cleaned while it is installed in this way, the cleaning agent flowing out from the air outlet of the air conditioner can be sucked and collected (claim 2), and the surrounding area caused by the scattering of the cleaning agent can be collected. It is preferable to prevent stains on the sheet and facilitate post-cleaning. Further, the present invention according to claim 3 (a cleaning device for an air conditioner) comprises a foam part for preparing a cleaning agent by foaming a liquid agent, and a cleaning agent delivery for enabling the cleaning agent to be taken out from the foaming part. And a delivery cover body that covers the air inlet of the air conditioner entirely and watertightly and delivers the cleaning agent from the cleaning agent delivery section to the air conditioner. .

With such a structure, the inside can be washed simply by attaching the feed cover body to the intake port of the air conditioner, so that the type of the air conditioner (for wall mounting, window mounting, ceiling Whether or not it can be implemented is not limited by whether it is embedded or mounted on an automobile, etc., and has wide versatility. Regarding the foam part, the cleaning agent feeding part, the feeding cover body,
It is preferable that all or a part of them is integrally configured within a portable size range (claim 4).

Such a configuration is useful for facilitating the movement and transportation of the device. It is preferable to cover the air outlet of the air conditioner completely and watertightly and to provide a recovery cover body for collecting the outflow cleaning agent from inside the air conditioner, and connect this recovery cover body to the vacuum device. (Claim 5). In this way, the cleaning agent flowing out from the air outlet of the air conditioner will not be scattered around,
It is possible to prevent stains on the periphery and facilitate post-cleaning.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a cleaning apparatus 1 which is one of the embodiments of the present invention, and 2 is a main apparatus body of this cleaning apparatus 1, and this apparatus body 2 is mounted on a carriage 4 together with a vacuum apparatus 3. It is posted.

The cleaning device 1 has a feed cover body 5 and a recovery cover body 6. Of these, the feed cover body 5 is connected to the apparatus main body 2 via a flexible hose 7, and the recovery cover body 6 is connected to the vacuum device 3 via a flexible hose 8. Reference numeral 9 is a storage tank for the cleaning agent collected by the vacuum device 3. As shown in FIG. 2, a foam part 12 and a detergent feed part 13 are provided inside the apparatus main body 2.

The foam part 12 includes liquid agent storage parts 14, 15 and 16 for storing three types of liquid agents, and all of these liquid agent storage parts 1.
It has a foaming part 17 connected to 4, 15, and 16. A pump 18 is provided in each of the liquid agent reservoirs 14, 15 and 16.
Each pump 18 is provided with an operation switch 19
Is connected. The operation switch 19 has a circuit configuration such that a predetermined amount of liquid agent is delivered to the foaming section 17 by one pressing operation. Therefore, the operation switch 19
It is possible to select the mixed type of liquid agent by pressing or not pressing.

It is also possible to have a circuit configuration in which the liquid agent can be supplied only while the operation switch 19 is being pressed, and in this case, it is possible to make the mixing ratio of the liquid agent different. The foaming part 17 is provided in the liquid collecting chamber 23 with the fan 2
4 is rotated at high speed to mix and agitate each liquid agent fed,
It is configured to foam. The product (foamed product) thus obtained by mixing and stirring is used as the cleaning agent. Reference numeral 25 is a motor for driving the fan.

It is preferable to use an alkaline type cleaning agent. As an example, "G-510" manufactured by Gaylord of the United States (in Japan, sold as "RMD-10" by All Machinery Co., Ltd.)
Can be used alone or in combination. In this case, it has been found that heating the cleaning agent to 40 to 50 ° C. further enhances the cleaning effect.

Foaming part 17 (motor 25 for driving a fan)
The operation switch 26 is also provided. For this reason, the rotation time of the fan 24 can be adjusted to a slightly different suitable foaming time depending on the selection condition of the liquid agent, depending on the length of time for pressing the operation switch 26. The cleaning agent delivery unit 13 is for delivering the cleaning agent prepared in the foaming unit 17 to the delivery cover body 5, and uses a screw pump suitable for highly efficiently transferring the foamy substance. There is. Reference numeral 27 is a screw driving motor, and 28 is an operation switch. The operation switch 28 can be used to switch between supplying and stopping the cleaning agent.

Of course, it is also possible to use a pump of another type as the cleaning agent feeding section 13. For example,
In addition to the rotary pump, it is possible to adopt a cylinder structure to pressurize the cleaning agent. As shown in FIGS. 3 and 4, the feeding cover body 5 may have a box-shaped main body portion 30 and a bellows structure provided by expanding in a trapezoidal frame shape around the opening of the box-shaped main body portion 30. The flexible connecting frame 31 includes a flexible connecting frame 31 and a seal member 32 provided on an opening peripheral portion of the flexible connecting frame 31.

The opening contour of the seal body 32 is defined by the air conditioner 35.
Is formed to have substantially the same size as the outer peripheral contour of the intake port portion 36 in the above, and the cleaning agent inlet port 30a communicating with the flexible hose 7 is formed at the box bottom portion of the box-shaped main body portion 30. If the body 32 side is pressed so as to match around the intake port portion 36 of the air conditioner 35, the device body 2
The cleaning agent supplied from the (cleaning agent supply unit 13) via the flexible hose 7 can be transferred to the air conditioner 35.

The box-shaped main body 30 is made of a hard polyester resin material, and the flexible connecting frame 31 is made of a soft polyester resin material. Also,
The seal body 32 is formed of a material such as a clay-like or soft rubber-like material that can be freely deformed by an external load (such as a polyester resin material used as an attachment stabilizer for dentures) while maintaining a flexible state. Has been done.

Therefore, when the feed cover body 5 is pressed against the air conditioner 35, the seal body 32 is deformed along the irregularities of the peripheral portion of the intake port portion 36, whereby the both are watertight. The contact state is maintained. Therefore, it is possible to prevent the cleaning agent from leaking from the apparatus main body 2. In the box-shaped body portion 30, the cleaning agent inlet 3
Two 0a are formed, on the other hand, the flexible hose 7
By connecting two to the cleaning agent feeding unit 13 or bifurcating one of them in the middle, thereby cleaning each cleaning agent inflow port 30.
It is connected to a. Therefore, the cleaning agent is surely and quickly spread to every corner of the box-shaped main body 30. Although illustration is omitted, it is preferable that the flexible hose 7 is also provided with a bellows structure at a connection portion with the box-shaped main body portion 30 to improve the handleability of the feed cover body 5.

By the way, as shown in FIG. 5, for example, in a wall-mounted air conditioner 35, in general, most of the front portion of the casing 38 corresponds to the evaporator 39.
6, a blower port portion 41 corresponding to the fan portion 40 is provided below the intake port portion 36 so as to have a laterally elongated shape. In addition, the device board 4 is provided on the side of the intake port 36.
An operation display unit 44 is provided in correspondence with the electrical equipment box 43 provided for the No. 2.

In response to such a situation, the opening contour of the flexible connecting frame 31 in the feeding cover body 5 corresponds only to the intake port portion 36 of the air conditioner 35, and the blower port portion 41 and the operation display portion 4 are provided.
It is preferable that 4 is formed so as to strictly adhere to the size so that the cleaning agent is not applied. Because the operation display unit 4
4 and electrical equipment box 43 etc. are wet and corroded (chemical change)
This is to prevent breakdown due to

The recovery cover body 6 is also substantially the same in construction as the supply cover body 5 except that the opening contour of the recovery cover body 6 is made to correspond to the blower opening portion 41 of the air conditioner 35. That is, 46 is a box-shaped main body, 47 is a flexible connecting frame, and 48 is a seal body. In addition, this recovery cover body 6
There is only one flexible hose 8 (46a is a cleaning agent discharge port) connected to.

In order to clean the air conditioning equipment 35 using the cleaning device 1 having such a configuration, first, the feed cover body 5 is brought into contact with the intake port portion 36 of the air conditioning equipment 35, and the recovery cover body 6 is provided. Is brought into contact with the blower opening portion 41. Seal body 3 mentioned above
Since 2 and 48 have self-adhesiveness due to their flexible and deformable nature, the self-adhesiveness can hold the contact state of the feed cover body 5 and the recovery cover body 6 with respect to the air conditioning equipment 35. Is.

However, a simple hook structure, band fixing structure, or the like may be used to fix and hold the feed cover body 5 and the recovery cover body 6. When this preparation is completed, the foaming section 12 is operated to appropriately prepare a foamed cleaning agent, and this cleaning agent is sent from the cleaning agent feeding section 13 to the feeding cover body 5. Therefore, in the air conditioner 35, the cleaning agent flows from the intake port 36 to the blower port 41, and the internal cleaning is performed.

The recovery cover body 6, the flexible hose 8,
Alternatively, one of the vacuum devices 3 may be set in a state in which the cleaning agent cannot flow, and the state in which the cleaning agent is filled with the cleaning agent may be maintained for a predetermined time (for example, about 3 hours). This ensures the decomposition of pollutants. Further, it is possible to reduce the cost by suppressing the amount of the cleaning agent used.

After that, the vacuum device 3 is operated to suck and remove the cleaning agent in the air conditioner 35 from the recovery cover body 6. If necessary, a cleaning liquid such as water or steam is passed through the same route as the cleaning agent to ensure defoaming in the air conditioning equipment 35. Further, after that, warm air may be blown in to accelerate the drying.

Further, the antifungal / antibacterial coating agent may be distributed through the same route as the cleaning agent. Incidentally, the present invention is not limited to the above embodiment. For example, the recovery cover body 6 can be replaced with a saucer, a bucket, etc. In this case, the vacuum device 3 is of course unnecessary.

A vacuum cleaner can be used as the vacuum device 3. The shape, structure, material and the like of the feed cover body 5 and the recovery cover body 6 can be variously changed according to the type and size of the air conditioner 35. By separating the liquid agent reservoirs 14, 15, and 16 as separate components in the apparatus main body 2, it is possible to reduce the size and weight. In this case, the liquid agent reservoirs 14, 15, 16 may be placed on the carriage 4.

The foaming part 12 and the cleaning agent feeding part 13 in the apparatus main body 2 can be constructed separately. In addition,
It is possible to integrally configure not only the feed cover body 5 but also the vacuum device 3 and the recovery cover body 6 as long as the size is portable. The washing device 1 is not limited to being mounted on the trolley 4, and wheels may be provided directly on the device body 2 or the like, or may not be provided.

The type of liquid agent and the number of used liquid agents are not limited in any way.

[0033]

As is apparent from the above description, in the present invention (the method for cleaning an air conditioner) according to claim 1, the air conditioner in the installed state is foamed from the intake port to the blower port. The cleaning agent is circulated, and after that, the air conditioning equipment is defoamed and dried, so that the contaminants adhering to and accumulated on the fan and evaporator are decomposed by the cleaning agent and removed from the blower opening. It Therefore, internal cleaning can be performed reliably,
It is possible to prevent deterioration of cooling / heating capacity and waste of power consumption due to pollution of blown air, generation of odor, or ventilation failure.

Moreover, since this internal cleaning can be performed while the air conditioner is installed, there is an advantage that the operation is simple and can be easily and repeatedly performed. If the cleaning agent flowing out from the air blower of the air conditioner is sucked and collected (Claim 2), there is an advantage that the surrounding dirt can be prevented due to the scattering of the cleaning agent and the post-cleaning can be facilitated. Further, the present invention according to claim 3 (a cleaning device for an air conditioner) has a configuration including a foam part, a detergent feed part, and a feed cover body, and the feed cover body is used for intake air of the air conditioner. Since the inside can be washed simply by attaching it to the mouth, there is an advantage that the possibility of implementation is not limited by the type of air conditioner and the versatility is wide.

If all or a part of the foam portion, the detergent feed portion, and the feed cover body is integrally constructed within a portable size range (claim 4), Easy to move and transport. If a recovery cover body that can be attached to the air blower of the air conditioner is provided and this recovery cover is connected to the vacuum device (Claim 5), the cleaning agent that flows out from the air blower of the air conditioner will be in the vicinity. Because it does not scatter,
It is possible to prevent stains on the periphery and facilitate post-cleaning.

[Brief description of drawings]

FIG. 1 is a side view schematically showing a cleaning device which is one of the embodiments of the present invention.

FIG. 2 is an enlarged cross-sectional view of a device body.

FIG. 3 is a perspective view showing a feed cover body and a recovery cover body.

FIG. 4 is a side sectional view showing a situation in which the supply cover body and the recovery cover body are pressed against the air conditioner.

FIG. 5 is an exploded perspective view showing an example of an air conditioner.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cleaning device 2 Device body 3 Vacuum device 5 Supply cover body 6 Recovery cover body 9 Collected cleaning agent storage tank 12 Foam part 13 Detergent supply part 17 Foaming part 35 Air conditioner 36 Air supply part 41 Air blow part

Claims (5)

[Claims] 1. A foamed cleaning agent is circulated from an intake port (36) to a blower port (41) of an installed air conditioner (35), and then inside the air conditioner (35). A method for cleaning an air conditioner, which comprises defoaming and drying. 2. The method for cleaning an air conditioner according to claim 1, wherein the cleaning agent flowing out from the blower port (41) of the air conditioner (35) is sucked and collected. 3. A foam part (12) for preparing a cleaning agent by foaming a liquid agent, a cleaning agent feeding part (13) capable of taking out the cleaning agent from the foaming part (12), and an air conditioner. Equipment (3
The air inlet (36) of 5) is covered entirely and watertightly to cover the cleaning agent from the cleaning agent feeding section (13) with the air conditioner (3).
5) A cleaning device for air-conditioning equipment, comprising: a feeding cover body (5) for delivering to a 5). 4. The foam part (12) and the detergent feed part (1)
3) The cleaning device for an air conditioner according to claim 3, wherein all or a part of the feeding cover body (5) is integrally configured within a portable size range. 5. A recovery cover body (6) for covering the blower opening (41) of the air conditioner (35) entirely and watertightly to collect the outflow cleaner from the air conditioner (35), The air conditioner cleaning device according to claim 3 or 4, wherein the recovery cover body (6) is connected to a vacuum device (3).