JP6053531B2 - Air conditioner - Google Patents

Description

  The present invention relates to a drain pan that collects drain water generated from a heat exchanger of an air conditioner and attachment of an antibacterial agent that suppresses propagation of germs in the drain water.

  A conventional air conditioner (for example, a four-way cassette type air conditioner) includes a heat exchanger and a blower, and a drain pan that receives drain water condensed and generated by the heat exchanger is provided below the heat exchanger. . The collected drain water is discharged to the outside of the air conditioner through a drain pump and a drain pipe. Drained water contains bacteria and mold in the air and is easy to reproduce. When miscellaneous bacteria and molds propagate, slime is generated in the drain pan, which may cause bad odor and drainage defects such as clogging of the drain piping. For this reason, the drain pan is equipped with a container that contains antibacterial agents that suppress the growth of germs and molds, and the antibacterial components contained in the storage container are eluted into the drain water, so that the water-surrounding parts have antibacterial properties. Reproduction is suppressed (see, for example, Patent Document 1).

JP 2006-194494 A (FIGS. 1 to 3)

By the way, if the antibacterial agent of the air conditioner is arranged on the air outlet side of the heat exchanger in the drain pan, it is difficult to secure a work space. Therefore, the drain collected in the drain pan only for the addition and replacement of the antibacterial agent Work such as removal of water or removal of a drain pan occurs, and the process load of maintenance work increases.
Therefore, in the thing of the technique of patent document 1, while arrange | positioning an antibacterial agent to the air suction inlet side of the heat exchanger in a drain pan, the support member of an antibacterial agent is used for the inner peripheral wall (air suction inlet side peripheral wall) of a drain pan. Is extended in the direction of the bell mouth, and its inner end is detachably attached to the flange formed on the inner peripheral upper end of the bell mouth with a screw. The antibacterial agent support member can be attached and detached from the air inlet side, so that the addition and replacement of the antibacterial agent can be performed without removing the drain pan.

  However, the support member of the antibacterial agent is extended in the bell mouth direction via the upper part of the inner peripheral wall (air suction port side peripheral wall) of the drain pan, and the inner end of the support is formed at the upper end of the inner periphery of the bell mouth. On the other hand, a device that is detachably attached to a screw requires a space for arranging a support member, which necessitates an increase in the size of the device or a reduction in the capacity of a bell mouth or a blower.

  The present invention has been made to solve the above-described problems. The antibacterial agent container can be attached and detached from the air inlet side without increasing the size of the apparatus or reducing the capacity of the bell mouth or the blower. The purpose is to be able to.

The air conditioner according to the present invention includes a heat exchanger and a blower, and after the air sucked into the heat exchange primary space from the air suction port by the blower passes through the heat exchanger, the heat exchange secondary Drain water from the heat exchanger is arranged so as to blow out from the side space to the air outlet and is disposed below the heat exchanger so as to straddle the heat exchange primary side space and the heat exchange secondary side space. In the air conditioner having a drain pan that collects water, an antibacterial container that contains an antibacterial agent that provides an antibacterial effect on drain water is provided in the drain pan on the air inlet side of the heat exchanger. The drain pan is provided with an antibacterial container mounting portion that can removably support the antibacterial agent container at the upper edge of the air suction side peripheral wall, and the antibacterial agent container includes the antibacterial agent container. Can be attached to the mounting part Lifting unit is provided, the antimicrobial agent container mounting portion, the magnet or magnetic body is provided with the support portion of the antimicrobial agent container, at a position opposed to the magnet or magnetic body, the magnetic body Or a magnet is provided .

  According to the air conditioner of the present invention, the drain pan is provided with an antibacterial agent container containing an antibacterial agent that provides an antibacterial effect on the drain water on the air inlet side of the heat exchanger. In addition, an antibacterial container mounting portion capable of detachably supporting the antibacterial agent container is provided on the upper edge of the air suction side peripheral wall, and the antibacterial agent container has a support portion attachable to the antibacterial agent container mounting portion. Since there is no operation part that extends to the bell mouth side, the antibacterial container can be placed from the air inlet side without increasing the size of the device or reducing the capacity of the bell mouth or blower. Detachable.

It is a perspective view which shows the installation state of the air conditioner which concerns on Embodiment 1 of this invention. It is AA arrow sectional drawing of FIG. It is a top view which shows the internal structure of the indoor unit main body of the air conditioner which concerns on Embodiment 1 of this invention. It is a perspective view which shows the antibacterial agent container which concerns on Embodiment 1 of this invention. It is sectional drawing which expands and shows the attachment part periphery of the antibacterial agent container which concerns on Embodiment 1 of this invention. It is sectional drawing which shows the positional relationship of the antimicrobial agent container and drain pan which concern on Embodiment 1 of this invention. It is the perspective view which looked at the antibacterial agent container attachment part of the drain pan which concerns on Embodiment 1 of this invention from the air blower side. It is a perspective view which shows the antibacterial agent container which concerns on Embodiment 1 of this invention in the state which opened the upper cover. It is the perspective view which looked at the attachment state of the antibacterial agent container to the drain pan which concerns on Embodiment 2 of this invention from the air blower side. It is sectional drawing which shows the positional relationship of the antibacterial agent container which concerns on Embodiment 2 of this invention, and a drain pan.

  The definition of the air conditioner of this embodiment is demonstrated. The air conditioner according to this embodiment is installed in an embedded state or a suspended state on the ceiling side of an air-conditioned space, and is generated from a heat exchanger that exchanges heat between indoor air and a heat exchanger that is installed below the heat exchanger. Air conditioner equipped with a drain pan that collects the drain water that is collected, an antibacterial agent that suppresses the growth of germs and mold in the drain water collected in the drain pan, and an antibacterial agent container that contains the antibacterial agent It is. Specifically, a ceiling-embedded air conditioner, a ceiling-suspended air conditioner, a wall-mounted air conditioner, and the like. Here, the following description will be given by taking a ceiling-embedded air conditioner (four-way cassette type) as an example. However, the ceiling-embedded air conditioner (four-way cassette type) is merely an example, and the present invention is not limited to this.

Embodiment 1. FIG.
FIG. 1 is a perspective view showing an installation state of an air conditioner according to Embodiment 1 of the present invention, and is a view seen from below in a state where the air conditioner is suspended from a ceiling.
As for the air conditioner of this Embodiment 1, the indoor unit main body 1 and the decorative panel 3 are couple | bonded like FIG. The decorative panel 3 is provided with an air inlet 5 provided with a grill 10 and an air filter 11 at the center, and an air outlet 4 is provided so as to surround the air inlet 5. The air outlet 4 is provided with a wind direction vane 2 that adjusts the wind direction.

  FIG. 2 is a cross-sectional view taken along line AA in FIG. FIG. 3 is a top view showing the internal configuration of the indoor unit body 1 of the air conditioner according to Embodiment 1 of the present invention, and shows the indoor unit body 1 with the outer box 14 and the heat insulating material 12 removed. The indoor unit main body 1 has an outer box 14 in which a heat insulating material 12 is provided on the inner wall as shown in FIGS. A cylindrical blower (centrifugal fan) 7 and an electric motor 6 that drives the blower 7 are provided at the center of the outer box 14. The indoor unit main body 1 is provided with a heat exchanger 8 so as to surround the outside of the blower 7. A drain pan 9 for collecting drain water generated from the heat exchanger 8 is provided along the heat exchanger 8 below the heat exchanger 8. The drain water collected by the drain pan 9 is discharged from the drain pipe 18 to the outside of the air conditioner. A decorative panel 3 is attached to the lower surface of the indoor unit body 1 by being coupled to the outer box 14 of the indoor unit body 1.

  In the drain pan 9, an antibacterial agent container 17 that houses an antibacterial agent 21 that has an antibacterial effect on drain water is provided on the air inlet 5 side of the heat exchanger 8. That is, the antibacterial agent container 17 is provided in the drain pan 9 in a space (heat exchange primary side space) 15 on the air suction port 5 side formed by the outer box 14, the heat exchanger 8, and the drain pan 9. In addition, a bell mouth 13 is attached to the drain pan 9 on the side of the decorative panel 3. The space 16 on the air outlet 4 side formed by the outer box 14, the heat exchanger 8, and the drain pan 9 is hereinafter referred to as a heat exchange secondary side space.

  The antibacterial agent 21 suppresses the generation of slime generated by the propagation of germs and mold in the water of the drain water, and prevents poor drainage such as bad odor and clogging of the drain pipe 18. The antibacterial agent container 17 that houses the antibacterial agent 21 is most effective when it is disposed in the vicinity of the drain pipe 18.

  FIG. 4 is a perspective view showing the antibacterial agent container according to Embodiment 1 of the present invention. FIG. 5 is an enlarged cross-sectional view showing the periphery of the attachment part of the antibacterial agent container according to Embodiment 1 of the present invention. The antibacterial agent container 17 is a holding container for accommodating the granular or pellet-shaped antibacterial agent 21 as shown in FIGS. 4 and 5, and the antibacterial agent 21 is formed from the lattice-shaped opening 19 of the antibacterial agent container 17 as shown in FIG. Elutes in the drain water accumulated in the drain pan 9 to suppress the propagation of germs and mold.

  FIG. 6 is a cross-sectional view showing the positional relationship between the antibacterial agent container and the drain pan according to Embodiment 1 of the present invention, and shows an enlarged attachment portion of the antibacterial agent container 17. FIG. 7: is the perspective view which looked at the antibacterial agent container attachment part of the drain pan which concerns on Embodiment 1 of this invention from the air blower side. As shown in FIG. 6, a plate (magnetic material) 22 of a magnetic metal material is embedded in the support portion 20 of the antibacterial agent container 17 by insert molding. On the other hand, as shown in FIG. 7, the drain pan 9 is provided with an antibacterial agent container mounting portion 23 that can removably support the antibacterial agent container 17 at the upper edge of the air suction port side peripheral wall. A magnet 24 is embedded in the container mounting portion 23 by insert molding as shown in FIGS. The antimicrobial agent container 17 can be visually observed by removing the decorative panel 3 from the indoor unit body 1 and removing the bell mouth 13 provided on the drain pan 9 on the decorative panel 3 side. When the antibacterial agent container 17 is attached, the magnet 24 and the plate 22, that is, the drain pan 9 and the antibacterial agent container 17 are coupled by magnetic force. Then, the antibacterial agent container 17 can be removed from the drain pan 9 by pulling the groove-shaped protrusion 20 a provided on the upper portion of the support portion 20 of the antibacterial agent container 17. Further, the drain pan 9 is formed with a concave portion 30 that serves as a guide when the antibacterial agent container 17 is attached, and the antibacterial agent container attaching portion 23 is disposed in the concave portion 30. The attachment position relationship between the magnetic body 22 and the magnet 24 may be reversed.

  FIG. 8 is a perspective view showing the antibacterial agent container according to Embodiment 1 of the present invention with the upper lid opened. The upper lid 25 that is one of the walls forming the antibacterial agent container 17 includes a hinge part and is integrally formed with the main body part of the antibacterial agent container 17, and the upper lid 25 can be opened and closed via the hinge part. ing. A hinge part is comprised by the thin part which has flexibility, for example. Therefore, when the antibacterial agent 21 in the form of granules or pellets contained in the antibacterial agent container 17 elutes from the lattice-shaped openings 19 of the antibacterial agent container 17 into the drain water, and the antibacterial agent 21 decreases, the antibacterial agent 21 It is possible to easily add and replace only. For this reason, the maintenance cost of the addition and replacement work of the antibacterial agent 21 can be reduced.

  In the air conditioner of the first embodiment, when the blower 7 rotates, air is sucked from the air suction port 5 via the grill 10 and the air filter 11 of the decorative panel 3. The sucked air passes through the blower 7 from the bell mouth 13 coupled to the drain pan 9 in the indoor unit body 1, passes through the heat exchanger 8 surrounding the outside of the blower 7, and performs heat exchange at that time, The air is blown out from the air outlet 4.

  As described above, in the air conditioner of the first embodiment, the antibacterial agent container 17 is disposed in the heat exchange primary side space 15 of the drain pan 9 in the indoor unit body 1, so that it is easy to secure a work space. The drain pan 9 need not be removed when the antibacterial agent 21 is added and replaced. For this reason, maintenance work becomes easy.

  In addition, the antibacterial agent container 17 is attached to the drain pan 9 magnetically by the magnetic body 22 on the antibacterial agent container 17 side and the magnet 24 on the drain pan 9 side. It can be carried out. Therefore, when attaching / detaching the antibacterial agent container 17 from the drain pan 9, the operation can be easily performed with only one hand.

  Further, since the antibacterial agent container mounting portion 23 capable of detachably supporting the antibacterial agent container 17 is provided at the upper edge of the air suction port side peripheral wall of the drain pan 9, an operation for extending to the bell mouth 13 side is provided. This eliminates the need to increase the size of the apparatus or to reduce the capacity of the bell mouth 13 or the blower 7.

Embodiment 2. FIG.
In the first embodiment, the antibacterial agent container 17 is fixed to the drain pan 9 by the magnetic force of the magnet 24, but the antibacterial agent container 17 may be fixed by clamping.

FIG. 9 is a perspective view of the antibacterial container attached to the drain pan according to Embodiment 2 of the present invention as viewed from the blower side. FIG. 10 is a sectional view showing the positional relationship between the antibacterial agent container and the drain pan according to Embodiment 2 of the present invention. In addition, the same code | symbol is attached | subjected to the part corresponded to the above-mentioned Embodiment 1. FIG. In the description, reference is made to FIGS.
The air conditioner of the second embodiment insert-molds one end side piece of a crank-shaped sheet metal elastic piece 26 into the antibacterial container mounting portion 23 of the drain pan 9 as shown in FIGS. A gap is formed between the other end of the made elastic piece 26 and the upper edge (upper surface) of the peripheral wall on the air inlet side of the drain pan 9. On the other hand, the support part 20 of the antibacterial agent container 17 is formed with a notch having an edge 20b that can be inserted into the gap on the antibacterial agent container attachment part 23 side. That is, the antibacterial container 17 can be elastically held in the antibacterial container mounting part 23 by inserting and pinching the edge 20b on the antibacterial container 17 side into the gap on the antibacterial container mounting part 23 side. The protrusion 20a of the antibacterial agent container 17 is formed with a hole 20c at a position corresponding to the notch on the edge 20b side, and the other end side piece of the elastic piece 26 on the drain pan 9 side can pass through the hole 20c. It is like that.

  In the air conditioner of the second embodiment, the antibacterial agent container 17 is visually observed by removing the decorative panel 3 from the indoor unit main body 1 and removing the bell mouth 13 provided on the side of the drain pan 9 on the decorative panel 3. Can do. The antibacterial container 17 is attached to the gap between the other end of the elastic piece 26 of the drain pan 9 and the upper edge (upper surface) of the peripheral wall on the air inlet port by providing a notched edge 20b of the antibacterial container 17. Since it is performed by inserting, the antimicrobial agent container 17 can be positioned and attached with one touch. Therefore, when attaching / detaching the antibacterial agent container 17 from the drain pan 9, the operation can be easily performed with only one hand.

  Also in the air conditioner of the second embodiment, since the antibacterial agent container 17 is disposed in the heat exchange primary side space 15 of the drain pan 9 in the indoor unit body 1, it becomes easy to secure a work space, and the antibacterial agent 21. Therefore, it is not necessary to remove the drain pan 9 when performing the addition and replacement work. For this reason, maintenance work becomes easy.

  Also, in the air conditioner of the second embodiment, the antibacterial container mounting portion 23 that can removably support the antibacterial agent container 17 is provided on the upper edge of the air suction side peripheral wall of the drain pan 9. There is no operation part extending to the bell mouth 13 side, so that the size of the apparatus or the capacity of the bell mouth 13 or the blower 7 is not reduced.

  DESCRIPTION OF SYMBOLS 1 Indoor unit main body, 2 wind direction vane, 3 decorative panel, 4 air outlet, 5 air inlet, 6 electric motor, 7 air blower, 8 heat exchanger, 9 drain pan, 10 grill, 11 air filter, 12 heat insulating material, 13 bell Mouse, 14 outer box, 15 heat exchange primary side space, 16 heat exchange secondary side space, 17 antibacterial agent container, 18 drain piping, 19 lattice-shaped opening of antibacterial agent container, 20 support part of antibacterial agent container, 20a protrusion, 20b edge, 20c hole, 21 antibacterial agent, 22 metal material plate, 23 antibacterial agent container mounting part, 24 magnet, 25 top cover of antibacterial agent container, 26 elastic piece, 30 recess.

Claims (3)

A heat exchanger and a blower are provided, and the air sucked into the heat exchange primary space from the air suction port by the blower is blown from the heat exchange secondary space to the air outlet after passing through the heat exchanger. And
An air conditioner provided with a drain pan that is disposed across the heat exchange primary side space and the heat exchange secondary side space and collects drain water from the heat exchanger below the heat exchanger.
In the drain pan, an antibacterial agent container that contains an antibacterial agent that provides an antibacterial effect on drain water is provided on the air inlet side of the heat exchanger,
The drain pan is provided with an antibacterial container mounting portion that can removably support the antibacterial agent container on the upper edge of the air suction side peripheral wall,
The antibacterial agent container is provided with a support part that can be attached to the antibacterial agent container attachment part ,
The antibacterial container mounting portion is provided with a magnet or a magnetic body,
An air conditioner, wherein the antibacterial agent container is provided with a magnetic body or a magnet at a position facing the magnet or the magnetic body.   A heat exchanger and a blower are provided, and the air sucked into the heat exchange primary space from the air suction port by the blower is blown from the heat exchange secondary space to the air outlet after passing through the heat exchanger. And
  An air conditioner provided with a drain pan that is disposed across the heat exchange primary side space and the heat exchange secondary side space and collects drain water from the heat exchanger below the heat exchanger.
  In the drain pan, an antibacterial agent container that contains an antibacterial agent that provides an antibacterial effect on drain water is provided on the air inlet side of the heat exchanger,
  The drain pan is provided with an antibacterial container mounting portion that can removably support the antibacterial agent container on the upper edge of the air suction side peripheral wall,
  The antibacterial agent container is provided with a support part that can be attached to the antibacterial agent container attachment part,
  The antibacterial agent container mounting portion is attached with an elastic piece that forms a gap with the upper edge of the air suction side peripheral wall,
  The air conditioner is characterized in that a notch having an edge that can be inserted into the gap is formed in the support portion of the antibacterial agent container at a position corresponding to the elastic piece. A bell mouth of the blower is detachably coupled to the drain pan, and when the bell mouth is removed from the drain pan, the antibacterial container can be replaced without removing the drain pan. The air conditioner according to claim 1 or 2 .

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