JP5909069B2 - Ceiling embedded type air conditioner and drain pan cleaning method thereof - Google Patents

Description

  The present invention relates to a ceiling-embedded air conditioner in which a case body is installed in a ceiling, and a drain pan cleaning method thereof.

  In the air conditioner, when the room air is cooled by the heat exchanger during the cooling operation, moisture in the room air is condensed on the surface of the heat exchanger and dropped into the drain pan. Drain water, which is water accumulated in the drain pan, is sucked up by the pump from the drain pan, and discharged to the outside through the pipe.

  In the drain pan, slime is generated over a long period of time due to the propagation of live bacteria such as bacteria and mold. The slime clogs the piping and leaks drain water or generates a bad odor.

  Patent Document 1 is an invention of a ceiling-embedded air conditioner in which a part of an elevating device that supports a suction grill so as to be movable up and down via a wire is accommodated in an accommodating portion provided in a bell mouth. A technique for attaching a lid to the lower part is disclosed.

JP 2000-257902 A

  In order to prevent slime generation in the drain pan, an antibacterial agent may be installed in the drain pan. However, in the case of a ceiling-embedded air conditioner, it is necessary to remove the drain pan from the case body when installing the antibacterial agent in the drain pan or replacing the installed antibacterial agent. In order to remove the drain pan, operations such as draining drain water from the drain pan and removing unit wiring are required, which takes time and effort. In addition, when the user asks a specialist to install or replace the antibacterial agent, there is a problem that the installation cost and the replacement cost are high.

  The present invention has been made in view of such circumstances, and can be quickly and easily installed and replaced with an antibacterial agent in the drain pan, and can be kept clean in the drain pan. An object of the present invention is to provide an air conditioner and a drain pan cleaning method thereof.

In order to solve the above problems, the ceiling-embedded air conditioner and the drain pan cleaning method of the present invention employ the following means.
That is, the ceiling-embedded air conditioner according to the present invention includes a drain pan that receives drain water dripped from the heat exchanger, and an antibacterial agent that is installed in the drain pan and contains the antibacterial agent so as to contact the drain water in the drain pan. A container and a bell mouth provided inside the drain pan and having an opening formed near the installation position of the antibacterial agent container.

  According to this invention, the antibacterial agent container is installed in the drain pan, and the drain water in the drain pan is antibacterial by the antibacterial agent housed in the antibacterial agent container. An opening is formed in the bell mouth provided inside the drain pan in the vicinity of the installation position of the antibacterial agent container. Thereby, the user can easily access the antibacterial agent container through the opening, and can install or remove the antibacterial agent in the antibacterial agent container. As a result, maintenance inside the drain pan is facilitated.

  In the above invention, the opening may be of a size that allows the antibacterial agent container to be taken in and out.

  According to the present invention, the user can take out the antibacterial agent container and perform an antibacterial agent replacement operation.

  In the above invention, the antibacterial agent container has a bowl-shaped storage unit that stores the antibacterial agent, a fixing unit that fixes the storage unit to the edge of the drain pan, and a knob that protrudes in one direction from the fixing unit. May be.

  According to this invention, since the accommodating part is bowl-shaped, drain water and an antibacterial agent are easy to contact. Moreover, an antibacterial agent container is stably installed in a drain pan because a storage part is fixed to the edge of a drain pan by a fixing part. Furthermore, since the knob portion protrudes in one direction from the fixed portion, the user can easily handle the antibacterial agent container with fingers.

  The said invention WHEREIN: You may further provide the cover part attached to an opening part and sealing an opening part.

  According to this invention, the function of the bell mouth which guides air to a blower is not impaired by sealing an opening part with a cover part except when accessing an antibacterial agent container.

  Also, the drain pan cleaning method for a ceiling-embedded air conditioner according to the present invention includes a drain pan that receives drain water dripped from a heat exchanger, and an antibacterial agent that is installed in the drain pan and contacts the drain water in the drain pan. A method for cleaning a drain pan of a ceiling-embedded air conditioner, comprising: an antibacterial agent container to be accommodated; and a bell mouth provided inside the drain pan and having an opening formed in the vicinity of the installation position of the antibacterial agent container. A step of accommodating the antibacterial agent in the agent container, a step of inserting the antibacterial agent container into the drain pan through the opening, and a step of installing the antibacterial agent container in the drain pan.

  According to the present invention, the antibacterial agent can be installed and replaced in the drain pan quickly and easily, and the drain pan can be kept clean.

It is a bottom view which shows the ceiling embedded type air conditioner which concerns on one Embodiment of this invention. It is the longitudinal cross-sectional view cut | disconnected by the AA line of FIG. It is a partial expanded longitudinal cross-sectional view which shows the ceiling embedding type air conditioner concerning the embodiment. It is a perspective view which shows the antibacterial agent accommodation tool of the ceiling embedding type air conditioner concerning the embodiment. It is a partial expanded longitudinal cross-sectional view which shows the attachment process of the antibacterial agent container which concerns on the embodiment. It is a partial expansion perspective view which shows the ceiling embedded type air conditioner which concerns on the same embodiment. It is a longitudinal cross-sectional view which shows the antibacterial agent bag accommodated in the antibacterial agent container which concerns on the embodiment.

Embodiments according to the present invention will be described below with reference to the drawings.
The ceiling-embedded air conditioner is installed with the case body 2 embedded in the ceiling 1. As shown in FIG. 2, a heat exchanger 7, a drain pan 10, a motor 5, a blower 6, a bell mouth 12, and the like are built in the case main body 2. The ceiling panel 8 exposed to is attached. FIG. 1 is a bottom view of a ceiling-embedded air conditioner as viewed from the indoor side, that is, as viewed from the bottom of the apparatus, and FIG. 2 is a longitudinal sectional view taken along line AA of FIG.

  The drain pan 10 is provided in the lower part of the heat exchanger 7 and receives drain water dripped from the heat exchanger 7. The bell mouth 12 is provided below the drain pan 10. A suction port 3 is formed at the center of the lower surface of the ceiling-embedded air conditioner, and an outlet 4 is formed along the outer periphery of the lower surface of the air conditioner adjacent to the suction port 3. A suction grill 11 and a filter 13 are installed above the suction grill 11 at the suction port 3.

  When the air conditioner is operated, refrigerant from an outdoor unit (not shown) circulates in the heat exchanger 7, and the blower 6 is driven by the motor 5. By driving the blower 6, room air passes through the suction grill 11 and the filter 13 from the suction port 3, is guided by the bell mouth 12, and is sucked into the blower 6. And the inhaled air is cooled or heated by passing through the heat exchanger 7 and then blown out into the room from the outlet 4.

  In the air conditioner, when the room air is cooled by the heat exchanger 7 during the cooling operation, moisture in the room air is condensed on the surface of the heat exchanger 7 and drops into the drain pan 10. Drain water which is water accumulated in the drain pan 10 is sucked up by the pump from the drain pan 10 and discharged to the outside through the pipe.

Next, installation of the antibacterial agent in the drain pan 10 will be described.
In the drain pan 10, slime may be generated over a long period of time due to the propagation of live bacteria such as bacteria and mold. The slime clogs the piping and causes the drain water to leak or generate a bad odor. Therefore, in the present embodiment, the generation of slime is suppressed by installing the antibacterial agent 27 (see FIG. 7) in the drain pan 10 via the antibacterial agent container 15.

  As shown in FIGS. 3 and 4, the antibacterial agent container 15 includes a bowl-shaped storage unit 16 that stores an antibacterial agent bag 25 described later, a fixing unit 18 that fixes the storage unit 16 to the edge of the drain pan 10, and The knob portion 19 protrudes in one direction from the fixed portion 18. In addition, as shown in FIG. 7, the antibacterial agent 27 is granular, for example, and is filled in the antibacterial agent bag 25 bonded in a bag shape. The bag filled with the antibacterial agent 27 is, for example, the nonwoven fabric 26, and allows water to pass between the inside and outside of the bag. 3 and 4 are diagrams in which the antibacterial bag 25 in the antibacterial agent container 15 is omitted.

  The antibacterial agent 27 is installed or replaced for each antibacterial agent bag 25. The accommodating part 16 is provided with a plurality of notches 17 and is formed in a bowl shape. The accommodating part 16 has a gap having an interval such that the antibacterial agent bag 25 does not fall off, and allows water to pass through the gap. The antibacterial bag 25 is inserted from one end side 16a of the accommodating portion 16 shown in FIG. In addition, the other end on the opposite side to the one end side 16a of the accommodating part 16 and the upper end of the accommodating part 16 are raised, and the antibacterial agent bag 25 is prevented from falling off.

  The fixing portion 18 is provided in the housing portion 16, has a shape that matches the edge of the drain pan 10, and securely fixes the housing portion 16 to the edge of the drain pan 10. In the example of FIGS. 3 and 4, the fixing portion 18 includes a horizontal plate extending horizontally from the upper end portion of the housing portion 16 and a vertical extending downward from an end portion of the horizontal plate material on the opposite side to the housing portion 16 side. The edge of the drain pan 10 is fixed between the vertical plate and the accommodating portion 16.

  In the example of FIGS. 3 and 4, the knob portion 19 is a member protruding in one direction from the vertical plate material of the fixed portion 18. The knob portion 19 has a size that allows the user to pinch the antibacterial agent container 15 with a finger. The user can easily handle the antibacterial agent container 15 by the knob portion 19.

  In order to install or replace the antibacterial agent bag 25 in the antibacterial agent container 15, an opening 21 is formed in the bell mouth 12 in the vicinity of the installation position of the antibacterial agent container 15. As a result, the user can easily access the antibacterial agent container 15 through the opening 21, and can install or remove the antibacterial agent bag 25 in the antibacterial agent container 15. As a result, maintenance inside the drain pan 10 is facilitated.

  The opening 21 has a size that allows the antibacterial agent container 15 to be put into the case body 2 or taken out of the case body 2. Thereby, the antibacterial agent bag 25 can be replaced with the antibacterial agent container 15 outside the case body 2, and the replacement work is facilitated.

  A lid 20 that seals the opening 21 is attached to the opening 21. By attaching the lid 20, the surface of the bell mouth 12 that guides air to the blower 6 becomes smooth, and the function of the bell mouth 12 is not impaired.

  Next, a method for cleaning the drain pan 10 of the air conditioner using the antibacterial agent container 15 of the present embodiment will be described.

  An opening 21 for taking in and out the antibacterial agent container 15 is provided in the bell mouth 12. Therefore, the suction grill 11 and the filter 13 provided in the suction port 3 are removed from the case body 2 in order to expose the opening 21 in a state where the air conditioner is normally used. Thereby, the opening part 21 formed in the bell mouth 12 is exposed on the lower surface of the air conditioner. And since the installation position of the antibacterial agent container 15 is in the vicinity of the opening 21, it is possible to replace the antibacterial agent container 15 through the opening 21.

  Conventionally, in order to replace the antibacterial agent container 15, it is necessary to remove the drain pan 10 from the case body 2 as well as the suction grill 11 and the filter 13. In order to remove the drain pan 10, operations such as draining drain water from the drain pan 10 and removing unit wiring are required, which takes time, cost, and cost. On the other hand, according to the present embodiment, the anti-bacterial agent can be removed by simply removing the suction grill 11 and the filter 13 from the case body 2 and then removing the lid 20 of the opening 21 in the same manner as the replacement or cleaning of the filter 13. Since the container 15 can be exchanged, the labor, time, and cost of work can be greatly reduced.

  The antibacterial agent container 15 can be attached to and detached from the drain pan 10, and the antibacterial agent bag 25 in the container 16 of the antibacterial agent container 15 is replaced while being removed from the drain pan 10. The antibacterial bag 25 is filled with an antibacterial agent 27 in a nonwoven fabric 26. Since the opening 21 of the drain pan 10 is formed in a size that allows the antibacterial agent container 15 to be taken in and out, the user should take the antibacterial agent container 15 out of the case body 2 and replace the antibacterial agent bag 25. Is possible.

  After replacing the antibacterial agent bag 25, as shown in FIG. 5, the antibacterial agent container 15 is inserted into the case body 2 from the opening 21, and the fixing part 18 of the antibacterial agent container 15 is fixed to the edge of the drain pan 10. . Thereby, the antimicrobial agent container 15 is stably installed with respect to the drain pan 10, as shown in FIG.3 and FIG.6. The antibacterial agent container 15 is installed so that the antibacterial agent 27 accommodated therein contacts the drain water in the drain pan 10. Therefore, when the drain water comes into contact with the antibacterial agent, it is possible to prevent the antibacterial agent 27 from acting and slime from being generated in the drain pan 10.

  Then, the lid 20 is attached to the opening 21. Thereby, since the surface of the bell mouth 12 is smoothed by the lid 20, the function of the bell mouth 12 for guiding air to the blower 6 is maintained. Thereafter, the suction grill 11 and the filter 13 are attached to the suction port 3.

  When the antibacterial agent container 15 containing the antibacterial bag 25 is taken out of the case body 2 for replacement of the antibacterial agent 27, the procedure opposite to the above method is performed. That is, the suction grill 11 and the filter 13 are removed from the suction port 3, and the lid 20 is removed from the opening 21 of the bell mouth 12. Then, the antibacterial agent container 15 installed in the drain pan 10 is taken out from the case body 2 through the opening 21. As a result, the user can exchange the antibacterial bag 25 containing the new antibacterial agent 27 from the used antibacterial bag 25 outside the case body 2.

  As described above, according to the present embodiment, the antibacterial agent container 15 is installed in the drain pan 10, and the drain water in the drain pan 10 is antibacterial by the antibacterial agent 27 housed in the antibacterial agent container 15. The bell mouth 12 provided inside the drain pan 10 has an opening 21 in the vicinity of the installation position of the antibacterial agent container 15. Thereby, the user can easily access the antibacterial agent container 15 through the opening 21, and can install or remove the antibacterial agent bag 27, that is, the antibacterial agent 27 in the antibacterial agent container 15. As a result, maintenance inside the drain pan 10 is facilitated.

  In the above embodiment, the opening 21 provided in the bell mouth 12 has a size that allows the antibacterial agent container 15 to be taken in and out, but the present invention is not limited to this example. For example, the opening 21 may be smaller than the antibacterial agent container 15 if the user's hand can be put in and the antibacterial agent container 15 can be accessed and the antibacterial agent 27 can be replaced. Moreover, in the said embodiment, although the thing of the shape demonstrated using FIG.3 and FIG.4 was mentioned as an example of the antibacterial agent accommodation tool 15, this invention is not limited to this example. The antibacterial agent container 15 is preferably removable from the drain pan 10 from the viewpoint of easy replacement, but may be fixed without being removed from the drain pan 10. Furthermore, the accommodating part 16, the fixing part 18 and the knob part 19 of the antibacterial agent container 15 may have shapes other than those shown in FIG. 3 and FIG. Good.

DESCRIPTION OF SYMBOLS 1 Ceiling 2 Case main body 3 Suction inlet 4 Outlet 5 Motor 6 Blower 7 Heat exchanger 8 Ceiling panel 10 Drain pan 11 Suction grill 12 Bell mouth 13 Filter 15 Antibacterial agent accommodation tool 16 Accommodation part 17 Notch part 18 Fixing part 19 Knob part 20 Lid (lid)
21 Opening 25 Antibacterial Bag 26 Nonwoven Fabric 27 Antibacterial Agent

Claims (4)

A drain pan that receives drain water dripping from the heat exchanger;
An antibacterial agent container installed in the drain pan and containing an antibacterial agent so as to come into contact with the drain water in the drain pan;
A bell mouth provided inside the drain pan and having an opening formed in the vicinity of an installation position of the antibacterial agent container;
Equipped with a,
The antimicrobial agent container is
A bowl-shaped storage section for storing the antibacterial agent;
The horizontal portion extends horizontally from the upper end of the storage portion, and the vertical portion extends downward from the end of the horizontal portion opposite to the storage portion, and the storage portion is fixed to the edge of the drain pan. A fixing part to be
A knob portion protruding in one direction from the vertical portion of the fixed portion;
Have
The drain pan is formed so as to rise from the bottom surface of the drain pan so as to be along at least one of the surface of the housing portion facing the side where the fixing portion is provided and the side surface of the housing portion. Embedded ceiling type air conditioner having a wall portion .   The ceiling-embedded air conditioner according to claim 1, wherein the opening is sized to allow the antibacterial agent container to be taken in and out. Wherein mounted on the opening, a ceiling embedded type air conditioner according to claim 1 or 2 further comprising a lid for sealing the opening. A drain pan that receives drain water dripping from the heat exchanger;
An antibacterial agent container installed in the drain pan and containing an antibacterial agent so as to come into contact with the drain water in the drain pan;
A bell mouth provided inside the drain pan and having an opening formed in the vicinity of an installation position of the antibacterial agent container;
Equipped with a,
The antimicrobial agent container is
A bowl-shaped storage section for storing the antibacterial agent;
The horizontal portion extends horizontally from the upper end of the storage portion, and the vertical portion extends downward from the end of the horizontal portion opposite to the storage portion, and the storage portion is fixed to the edge of the drain pan. A fixing part to be
A knob portion protruding in one direction from the vertical portion of the fixed portion;
Have
The drain pan is formed so as to rise from the bottom surface of the drain pan so as to be along at least one of the surface of the housing portion facing the side where the fixing portion is provided and the side surface of the housing portion. A drain pan cleaning method for a ceiling-embedded air conditioner having a wall portion ,
Storing the antibacterial agent in the antibacterial agent container;
Inserting the antibacterial agent container into the drain pan through the opening;
Installing the antibacterial agent container along the wall in the drain pan;
A drain pan cleaning method for a ceiling embedded air conditioner.

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