JP2001090978A - Air-conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate mounting and demounting of the drain guide situated at a heat-exchanger and to reliably prevent the occurrence of floating of the fin of the fin fall part of the heat-exchanger. SOLUTION: This heat-exchanger comprises an indoor unit body; a heat- exchanger situated at the body and effecting heat-exchange with air, and having a pipe; a heat-exchanger fixing member being a part to fix the heat-exchanger and having a hole for fixing; and a drain guide to receive drain from the heat- exchanger, suppress a drop of drain to the outside of the heat-exchanger and provided at a central part with a hook part and at one side end part with a protrusion part and at the other side end part with a claw part. At the time of mounting of the drain guide on the heat-exchanger, the protrusion part of the drain guide is inserted in the hole part for fixing the heat-exchanger fixing member, and a part to hook the heat-exchanger at a pipe and a claw part are mounted in a manner to be removed from the front of the heat-exchanger by utilizing elasticity generated by their shapes.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an indoor unit of an air conditioner provided with a dew receiving guide.

[0002]

2. Description of the Related Art FIG. 7 is a side sectional view showing a conventional indoor unit with a dew receiving guide. In the figure, reference numeral 1 denotes an indoor unit main body, a heat exchanger 2 provided inside the indoor unit main body 1 has a U-shape, and a T-shaped groove 2a provided for bending is provided at a bent portion. It is formed.
The T-shaped portion 3a provided on the dew receiving guide 3 is inserted into the T-shaped groove 2a, and the single plate-shaped dew receiving guide 3 is fixed to the heat exchanger 2.

Further, as shown in FIG. 8, a plate 5 for fixing the fins 2b of the heat exchanger 2 and a heat exchange fixing device 4 are provided at both ends of the dew receiving guide 3, so that left and right positioning is regulated.

Next, the operation will be described. As shown in FIG. 9, the T-shaped portion 3a of the dew receiving guide 3 is incorporated into the T-shaped groove 2a formed in the heat exchanger 2 from the left side. The shape of the T-shaped portion 3a of the dew receiving guide 3 is the same as that of the T-shaped groove 2a of the heat exchanger 2, so that after the insertion, the dew receiving guide 3 is prevented from tilting up and down, and Fix it. The positioning of the exposure guide 3 in the left-right direction is controlled and positioned by the heat exchange fixing device 4 and the plate 5 which also serve to fix the fins 2b of the heat exchanger 2 attached after the insertion of the exposure guide 3. The dew receiving section 3 incorporated in this way receives the water droplet 6 dripping from the heat exchanger 2 and prevents the water drop 6 from dropping out of the heat exchanger.

[0005]

Since the conventional indoor unit with a dew receiving guide is constructed as described above, when the dew receiving guide 3 is detached and attached, the T of the heat exchanger 2 is taken from the side of the heat exchanger 2. There is a problem that the insertion work is difficult because the fins are inserted along the groove, and the fins are turned up when the fins of the heat exchanger 2 at the fin depressed portion are depressed toward the insertion side. In addition, since the dew receiving portion of the dew receiving guide 3 has a single plate shape,
There is a problem in that the cooling of the dew receiving guide during the dew receiving may cause dripping from the dew on the lower side of the dew receiving guide 3. Further, there is a problem that the dew received by the dew receiving guide 3 hits the dew dropped from the heat exchanger 2 and jumps off the dew receiving guide 3 to drop.

SUMMARY OF THE INVENTION The present invention has been made to solve such a problem, and makes it easy to attach and detach a dew receiving guide provided on a heat exchanger, and to lift a fin at a fin folding portion of the heat exchanger. The purpose is to obtain something for surely eliminating it. It is another object of the present invention to change the shape of the dew receiving portion to obtain a dew receiving portion with a certain degree of reliability.

[0007]

An air conditioner according to the present invention comprises an indoor unit main body, a heat exchanger provided in the main body, which exchanges heat with air and has a pipe, and a fixing of the heat exchanger. A heat exchange fixing device having a fixing hole, receiving water droplets from the heat exchanger, suppressing falling of the water droplets outside the heat exchanger, a hook portion at the center, and one side end portion. And a dew receiving guide having a claw portion at the other end, and when the dew receiving guide is mounted on the heat exchanger, the dew receiving guide is inserted into the fixing hole of the heat exchange fixing device. The projection is inserted, and the hook and the claw are detachably attached to the pipe of the heat exchanger from the front surface of the heat exchanger by utilizing the elasticity of the shape.

The dew receiving guide has a hollow portion in the dew receiving portion.

Further, the dew receiving guide is provided with an uneven part on the surface of the dew receiving part.

[0010] Further, the dew receiving portion of the dew receiving guide is formed in two sheets.

[0011] Further, the dew receiving guide suppresses the fin from turning up at the fin depressing portion of the heat exchanger.

Further, when the dew receiving guide is detached from the heat exchanger, the dew receiving guide is detached by pulling the dew receiving guide forward.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 Hereinafter, a first embodiment of the present invention will be described with reference to the drawings. 1 to 3 show a first embodiment, FIG. 1 is a side sectional view showing an indoor unit with a dew receiving guide of an air conditioner, FIG. 2 is a partial view of a side surface of a heat exchanger, and FIG. 3 is a heat exchanger. And a perspective view of the dew receiving guide. In the figure, reference numeral 1 denotes a wall-mounted indoor unit main body, in which a heat exchanger 2 bent in a U-shape is provided. A dew receiving guide 3 is mounted in the T-shaped groove 2a of the bent portion of the heat exchanger 2. At this time, the fin receding section 7 of the heat exchanger 2 is pressed by the dew receiving guide 3.
At the center of the dew receiving guide 3, a hook portion 3a is provided so as to be hooked and fixed on the pipe 2c of the heat exchanger 2.

In FIG. 2, reference numeral 3 denotes a dew receiving guide to which a claw 3b of the dew receiving guide 3 is attached to a pipe 2c of the heat exchanger 2 and a right end thereof is fixed.

In FIG. 3, reference numeral 3c denotes a projection of the dew receiving guide, which is inserted into a hole 4a of a heat exchange fixing tool 4 provided for fixing the fin 2b of the heat exchanger 2.
The left edge of is fixed.

Next, the operation will be described. By fixing the dew receiving guide 3 to the heat exchanger 2, as shown in FIG. 3, the left end convex portion 3 c is inserted into the hole 4 a of the heat exchange fixing device 4 incorporated in the heat exchanger 2, The left end of the receiving guide 3 is fixed.

The center and the right end of the dew receiving guide 3 have a hook 3a and a claw 3b.
(c) from the front of the heat exchanger 2 and attached by utilizing the elasticity of the shape of the hook 3a and the claw 3b.

The dew receiving guide 3 thus mounted
Receives water droplets 6 from the heat exchanger 2 as shown in FIG.
This is to prevent the water droplets 6 from falling out of the heat exchanger 2.
Further, when the dew receiving guide 3 is detached, the dew receiving guide 3 is detached by pulling the dew receiving guide 3 toward the front, which is opposite to the mounting. In addition, the dew receiving guide 3 attached in this manner can reliably mount the dew receiving guide 3 from the front even if the fin depressing portion 7 of the heat exchanger 2 is tilted left or right. This makes it possible to hold down and fix without turning over.

Embodiment 2 In the above embodiment, the dew receiving guide 3 has a single plate shape, but the dew receiving guide 3 may be provided with a hollow portion 3d as shown in FIG. FIG. 4 shows the second embodiment and is a partial sectional view showing a heat exchanger and a dew receiving guide. By providing the hollow portion 3d as shown in the figure, the heat insulating effect of the dew receiving guide 3 is improved, and it is possible to prevent water drops from dropping due to dew on the lower surface of the dew receiving guide 3.

Embodiment 3 In the above embodiment, the dew receiving guide 3 has a single plate shape, but the dew receiving portion 3 may be provided with an uneven portion 3e as shown in FIG. FIG. 5 shows the third embodiment and is a partial sectional view showing a heat exchanger and a dew receiving guide. As shown in the figure, the provision of the concave and convex portions 3e allows water droplets at the time of dew reception to enter the concave portions, and the heat exchanger 2
This makes it possible to eliminate splashing when water droplets are dropped.

Embodiment 4 FIG. In the above embodiment, the dew receiving guide 3 has a single plate shape, but the receiving rib 3f may be formed on the dew receiving portion 3 as shown in FIG. FIG. 6 shows the fourth embodiment and is a partial sectional view showing the heat exchanger and the dew receiving guide. Receiving rib 3f as shown in the figure
Is formed so that the water droplets 6 that have received the dew reaching the lower surface of the dew receiving guide 3 can flow into the heat exchanger 2.

[0022]

According to the air conditioner of the present invention, since the dew receiving guide of the heat exchanger can be detached from the front of the heat exchanger, the workability of mounting is improved, and the workability of disassembling parts at the time of recycling is also improved. Is done.

Further, since the dew receiving guide has a hollow portion in the dew receiving portion, it has an effect of preventing dew on the lower surface of the dew receiving guide due to cooling at the time of dew receiving and increasing the dew receiving strength.

In addition, since the dew receiving guide is provided with an uneven portion on the surface of the dew receiving portion, water droplets are less likely to accumulate, and there is an effect that dew splashing does not occur when the water drops fall from the heat exchanger.

Further, since the dew receiving portion of the dew receiving guide has a two-piece shape, the dew receiving guide can be cooled and receive dew on the lower surface, which has an effect of improving the dew receiving property.

Further, since the dew receiving guide suppresses the turning-up of the fins of the fin folding portion of the heat exchanger, it is possible to obtain an effect of reliably pressing the fins of the heat exchanger without raising the fins.

[Brief description of the drawings]

FIG. 1 shows the first embodiment, and is a side cross-sectional view showing an indoor unit with a dew receiving guide of an air conditioner.

FIG. 2 shows the first embodiment, and is a partial side view showing a heat exchanger and a dew receiving guide.

FIG. 3 is a diagram showing the first embodiment, and is a perspective view showing a heat exchanger and a dew receiving guide.

FIG. 4 is a view showing the second embodiment, and is a partial cross-sectional view showing a heat exchanger and a dew receiving guide.

FIG. 5 shows the third embodiment and is a partial cross-sectional view showing a heat exchanger and a dew receiving guide.

FIG. 6 shows the fourth embodiment and is a partial sectional view showing a heat exchanger and a dew receiving guide.

FIG. 7 is a side sectional view showing an indoor unit with a dew receiving guide of a conventional air conditioner.

FIG. 8 is a front view showing a conventional heat exchanger and a dew receiving guide.

FIG. 9 is a perspective view showing a conventional heat exchanger and a dew receiving guide.

[Explanation of symbols]

1 indoor unit body, 2 heat exchanger, 2a T-shaped groove, 2b fin, 2c pipe, 3 dew receiving guide,
3a hook portion, 3b claw portion, 3c convex portion, 3d hollow portion, 3e uneven portion, 3f receiving rib, 4 heat exchange fixing device, 4a hole portion, 5 plate, 6 water drop, 7 fin falling portion.

 ────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yoshinori Tanikawa 2-6-1, Otemachi, Chiyoda-ku, Tokyo F-term (reference) in Mitsubishi Electric Engineering Co., Ltd. 3L050 BD05 3L051 BE08

Claims (6)

[Claims] 1. An indoor unit main body, a heat exchanger provided in the main body, exchanging heat with air, and having a pipe, and a heat-fixing part of the heat exchanger, the heat-exchanger having a fixing hole. An interlocking fixture, receives water droplets from the heat exchanger, suppresses the drop of water droplets out of the heat exchanger, hooks in the center, a protrusion at one end, and a claw at the other end. And a dew receiving guide having a portion, when the dew receiving guide is attached to the heat exchanger, the convex portion of the dew receiving guide is inserted into a fixing hole of the heat exchange fixing tool. An air conditioner, wherein a hook portion and a claw portion of a pipe of the heat exchanger are detachably mounted from a front surface of the heat exchanger using elasticity due to shape. 2. The air conditioner according to claim 1, wherein the dew receiving guide has a hollow portion in the dew receiving portion. 3. The air conditioner according to claim 1, wherein the dew receiving guide has an uneven portion on a surface of the dew receiving portion. 4. The air conditioner according to claim 1, wherein the dew receiving portion of the dew receiving guide has a two-piece shape. 5. The air conditioner according to claim 1, wherein the dew receiving guide suppresses fin turn-up of the fin depressing portion of the heat exchanger. 6. The air conditioner according to claim 1, wherein the dew receiving guide is detached from the heat exchanger by pulling the dew receiving guide toward the front.