JPH037818A - Ceiling embedded type air conditioner - Google Patents

Abstract

PURPOSE:To simplify the drain piping work and prevent water from leaking outside a main body by a method wherein a second drain pan is located at a position where the bottom of the second drain pan is in contact with the upper face of a flange of a first drain pan, and at the same time, the down stream edge of the second drain pan is inserted into an air suction port of an air conditioner and extended up to the inside of the first drain pan. CONSTITUTION:When a cabinet main body 1 and a humidifier chamber 7 are connected, an edge 15b of a second drain pan 15 mounted in the humidifier chamber 7 is inserted into an air suction port 2 and flanges 13a and 13b are connected with two or more screws, so that positioning of the cabinet and the chamber can be easily done. On the other hand, in humidifying operation, air is inducted from an air intake 11 by a fan 6, and blown out from an air outlet 3 after passing through an opening at the joint part and a heat exchanger 4. At this time, even when a portion of water sprayed by a humidifier 8 drops on the joint part, the water drops are led to a drain pan 16 and recovered in it as the edge 15b of the second drain pan 15 is extended up to the joint part. In addition, the overflow water from the humidifier 8 flows through the second drain pan 15, and is drained through a drain connecting pipe 16a after recovered in the first drain pan 16.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a ceiling-embedded air conditioner, and more particularly to the structure of a drainage device.

Conventional technology Conventionally, a ceiling-embedded air conditioner has a structure in which a humidifier is built into the cabinet body to humidify during heating.
If you don't need a humidifier, the product is too big and the cost will increase.If you need a humidifier, you can use a humidifier box that stores the humidifier in a separate box from the air conditioner itself. The method used was to connect it to the air conditioner itself.

An example of the above-mentioned conventional ceiling-embedded air conditioner will be described below with reference to the drawings.

FIG. 6 shows a connection diagram between a cabinet body and a humidifier box of a conventional ceiling-embedded air conditioner.

In the figure, 1 is the cabinet body of the ceiling-mounted air conditioner, 2 is an air intake port that opens on the upstream side of the air flow of the cabinet body 1, and 3 is an air outlet that opens on the downstream side of the cabinet body 1. A heat exchanger 4 is provided inside the cabinet body 1 near the air suction port 2. Reference numeral 6 denotes a main drain pan, which is disposed at the bottom of the heat exchanger 4 wider than the heat exchanger 4, and on the side of the main drain pan 5. A drain connection pipe 5a is provided. Reference numeral 6 denotes a blower located inside the cabinet body 1 near the air outlet 3. Reference numeral 7 denotes a humidifier box, which forms a box body with the same frontage as the cabinet body 1.

A humidifier 8 is housed in the humidifier box 7. A sub-drain pan 9 is disposed at the lower side of the humidifier 8, and a side surface of the sub-drain pan 9 is provided with a drain connection pipe 9a.

Like the cabinet body 1, the humidifier box 7 has an air suction port 10 on the upstream side. An air outlet 11 is opened on the downstream side. The connection between the cabinet body 1 and the humidifier box 7 is through the air inlet 2 and air outlet 11 of each box.
Outward flanges 12a, 12 provided on both sides of the surface of
A seal gasket 14 is inserted between the air inlet 2 of the cabinet body 1, which is a connection surface, and the air outlet 11 of the humidifier box, which are connected by a plurality of pins 13 with the two faces facing each other. .

The operation of the ceiling-embedded air conditioner configured as above will be described below.

First, air sucked in from the room flows in from the air inlet 11 of the humidifier box 7, passes around the humidifier 80, passes through the air outlet 11 of the humidifier box 7, and the opening of the air inlet 2 of the cabinet body 1. The heat is exchanged with the heat exchanger 4, and the air is blown into the room from the air outlet 3 by the blower 6.

Also, during cooling operation, the dehumidified water dehumidified by the heat exchanger 4 is drained through the drain connection pipe 6a, and when the humidifier 8 is in operation during heating operation, the splashed water and overflow water from the humidifier 8 is drained through the drain connection pipe 9a. be done.

Problems to be Solved by the Invention In the conventional drainage method, drainage pipes must be led through the drain connection pipes 5a and 9a provided in the cabinet body 1 and the humidifier box 7, respectively, which makes it difficult to work within a narrow ceiling. In view of the above problems, the present invention simplifies the drain pipe construction when connecting the cabinet body and the humidifier box, and at the same time prevents water droplets from the humidifier from flowing into the connection area. To provide a ceiling-embedded air conditioner which can collect water in a main drain pan even if it drips into the lower part, and prevents water from leaking outside the main body.

Means for Solving the Problems In order to solve the above problems, the ceiling-embedded air conditioner of the present invention is provided in a humidifier box, and the bottom surface of the second drain pan is placed inside the air conditioner main body. At the same time, the downstream end of the second drain pan is inserted from the air suction port of the air conditioner and extended appropriately to the inner surface of the first drain pan. It is prepared.

Function: The present invention has the above-described configuration in which the cabinet body of the air conditioner and the humidifier box are connected, and the drain water on the humidifier box side is collected into the first drain pan on the cabinet body side. Construction work becomes unnecessary. Further, by extending the tip of the second drain pan to the inner surface of the first drain pan, water droplets from the humidifier are reliably collected and water leakage from the connection portion is prevented.

Embodiment Hereinafter, an embodiment of the connection of a ceiling-embedded air conditioner according to the present invention will be described with reference to FIGS. 1 to 4.

Note that the same parts as in the conventional example are given the same reference numerals and detailed explanations are omitted.

FIG. 1 shows a cross-sectional view of the connection between the cabinet body of the air conditioner and the humidifier box. Reference numeral 1 denotes the cabinet body of the air conditioner, which has a rectangular box shape. The cabinet body 1 has an air inlet 2 on the upstream side and an air outlet 3 on the downstream side in a rectangular shape.A heat exchanger 4 is provided inside the cabinet body 1 near the air inlet 2, is the first
The drain pan is disposed at the lower part of the heat exchanger 4 to be appropriately wider than the heat exchanger 4, and has a drain connection pipe 16a on the side surface and a flange 16b around the entire periphery. 6 is a blower located near the air outlet 3 inside the cabinet body 1;
7 is a humidifier box forming a box body with the same frontage as the cabinet body. A humidifier 8 is housed inside the humidifier box 7. 16 is a second drain pan, and the bottom surface of the humidifier 8 is connected to the first drain pan 16.
The upper end surface of the flange 16a is located at a position where liquid can be washed. The humidifier box 7 has an air suction port 10 on the upstream side, similar to the cabinet main body 1. Air outlet 1 on the downstream side
1 is rectangular and has an opening. The second drain pan 15 has both sides and an upstream busy flange 15a protruding, and a downstream end portion 15b extending appropriately.
It extends to the inner surface of the drain pan 6 inside. The width of the second drain pan 15 is such that it fits inside the opening of the air inlet 2 of the cabinet body 1.

Air suction port 2 of cabinet body 1 and humidifier Bonokunu 7
Flanges 13a are provided at both ends of the surface of the air outlet 11, respectively.
, 13b are provided and connected and fixed with a plurality of screws 17.

The operation of the ceiling-embedded air conditioner configured as described above will be explained.

When connecting the cabinet body 1 and the humidifier box 7, insert the tip 1sb of the second drain pan 15 provided at the air outlet 11 of the humidifier box 7 into the air inlet 2 of the cabinet body 1, and the positions of the bodies can be adjusted. 7 lunge 13a.

Connect and fix with multiple screws at 13b.

On the other hand, when the humidifier is in operation, air flows in from the air suction port 11 of the humidifier box 7 by the blower 6, passes through the connection opening, passes through the heat exchanger 4, and is blown out from the air outlet 3. At this time, even if some of the water sprayed by the humidifier 8 drips onto the connection part, the tip 16 of the second drain pan 16
b is extended, the water droplets are guided to the drain pan 16 and collected inside the drain pan 1θ, and the overflow water from the humidifier 8 also flows through the second drain pan 15 and into the first drain V.
The water is collected in the drain pan 1e and drained from the drain connection pipe 16a provided in the first drain pan 1e.

As described above, the ceiling-embedded air conditioner of the present invention is arranged such that the bottom surface of the second drain pan provided in the humidifier box is in contact with the upper end surface of the flange of the first drain pan provided in the air conditioner main body, and By extending the downstream end of the second drain pan and extending it to the inner surface of the first drain pan, water droplets dripping from the humidifier and overflow water can be reliably collected into the first drain pan, and dripping outside the main body can be prevented. At the same time, construction of the drain pipe to the outside of the main body can be performed only by construction on the first drain pan side.

Effects of the Invention As is clear from the above description, the present invention provides a method for disposing the bottom surface of the second drain pan in the humidifier box at a position in contact with the upper end surface of the flange of the first drain pan in the air conditioner main body, and at the same time By inserting the downstream end of the second drain pan from the air inlet of the air conditioner and extending it appropriately to the inner surface of the first drain pan, water dripping from the humidifier and overflow water can be reliably collected into the first drain pan, and at the same time the connection section It also prevents the liquid from dripping into the body and eliminates dripping outside the main body. This eliminates the need for a drain pipe from the humidifier box and allows all drainage to be carried out through the first drain pan, improving work efficiency and streamlining.

[Brief explanation of the drawing]

FIG. 1 is a cross-sectional view showing an embodiment of the connection of the ceiling-embedded air conditioner of the present invention, FIG. 2 is a perspective view of the air inlet side of the ceiling-embedded air conditioner, and FIG. 3 4 is a perspective view of the humidifier box, FIG. 4 is a perspective view of FIG. 1, FIG. 5 is a sectional view of the connection of a conventional ceiling-mounted air conditioner, and FIG. be. 1...Cabinet body of the ceiling-mounted air conditioner, 2...Air suction port, 4...Heat exchanger, 16...First drain pan , 6・・・・−・
Blower, 7... Humidifier box, 11...
...Air outlet, 12...Duct flange, 1
5...Second drain pan, 16b...Downstream end of the second drain pan.

Claims (1)

[Claims] An air inlet is provided on the upstream side of the air flow of the main body, and an air outlet is provided on the downstream side of the cabinet, a heat exchanger is provided on the upstream side and an air blower is provided on the downstream side inside the cabinet main body, and a heat exchanger is provided below the heat exchanger. More appropriately, a wide concave first drain pan is arranged, an air conditioner is provided with a drain connection pipe on the side of the first drain pan, a humidifier is housed inside, and an air suction port is placed on the upstream side and an air intake port is placed on the downstream side. A humidifier box equipped with an air outlet, a second drain pan with flanges on both sides and upstream side on almost the entire lower surface of the interior, and a downstream tip extended appropriately, and the bottom of the second drain pan, The second drain pan is arranged at a position in contact with the upper end surface of the flange of the first drain pan, and at the same time, the downstream end of the second drain pan is inserted through the air suction port of the air conditioner and extended appropriately to the inner surface of the first drain pan. Ceiling-mounted air conditioner.