JP2001263786A - Air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a duct type air conditioner in which strength is reinforced at the lower end of a heat exchanger and not yet heat exchanged air is prevented from flowing into a supply air passage by sealing the gap between the heat exchanger and a drain pan. SOLUTION: A reinforcing member 12 is provided at the lower end of a heat exchanger 10 in order to reinforce the strength of the heat exchanger and to seal the gap between the heat exchanger and a drain pan 9.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a duct type air conditioner, and more particularly, to reinforcing the strength of the lower end of a heat exchanger and sealing a gap between the heat exchanger and a heat exchanger. The present invention relates to a structure that prevents unreacted air from flowing into a blow-off air passage, prevents condensed water adhering to piping connected to the heat exchanger from dropping to the outside, and allows the heat exchanger to be easily mounted. .

[0002]

2. Description of the Related Art In a conventional duct type air conditioner, for example, as shown in FIG. 5, the inside of a housing 1 is divided into front and rear by a partition plate 2 having a vent 2a. A blower room provided with a suction port 3 and a heat exchanger room provided with a blow-out port 4 are provided. The blower room is provided with a suction part 5a communicating with the suction port 3 and a blow-out part 5b communicating with the ventilation port 2a. A blower 8 comprising a blower fan 6 housed in a fan casing 5 having a fan and a drive motor 7 for driving the blower fan 6 is provided. The heat exchanger chamber is provided with a drain pan 9 at a lower part and an upper part is inclined forward. A heat exchanger 10 is provided on both sides of the housing 1 by means of screw fixing portions (A and B portions) which are screwed to the housing 1, and a lower end of the heat exchanger 10 and the drain pan are provided. 9 and sheet-like sealing material 1
2 'was interposed.

However, dew water adhering to a pipe (not shown) connected to the heat exchanger 10 is not guided to the drain pan 9 and drops to the outside of the housing 1. The heat exchanger pressed by the drain pan 9 when a drop impact is applied or when the drain pan 9 is removed during maintenance, for example.
The fins of the heat exchanger 10 are deformed, so that a gap is formed between the lower end of the heat exchanger 10 and the drain pan 9. There is a problem that the performance of the air conditioner is degraded due to the flow being mixed into the air flow as shown by the arrow a, which undergoes heat exchange through the heat exchanger 10.

Also, for example, when removing or attaching the heat exchanger 10 after removing the drain pan 9 during maintenance, in particular, the wall surface of the room to be air-conditioned as shown by a two-dot chain line in FIG. The screw fastening portion (A portion) on the side close to C had a problem that workability was poor because it was difficult to use a tool such as a screwdriver.

[0005]

SUMMARY OF THE INVENTION In view of the above problems, the present invention reinforces the strength of the lower end of a heat exchanger and seals the gap between the heat exchanger and a drain pan so that air that has not been heat-exchanged. Duct type air conditioner that prevents water from flowing into the outlet air passage, prevents condensation water adhering to piping connected to the heat exchanger from dropping to the outside, and allows the heat exchanger to be easily mounted. The purpose is to provide.

[0006]

According to the present invention, in order to solve the above-mentioned problems, the inside of a housing is divided into front and rear by a partition plate having a vent, and a blower room having a suction port is provided in the housing. A heat exchanger room provided with an outlet, provided in the blower room, a blower fan housed in a fan casing having a suction portion communicating with the suction port and a blowout portion communicating with the ventilation hole,
A duct comprising a blower comprising a drive motor for driving the blower fan, a heat exchanger chamber, a drain pan provided at a lower part, a top part inclined forward, and a heat exchanger provided on both sides by mounting means. In an air conditioner of the type, a reinforcing member for reinforcing the strength of the heat exchanger and sealing a gap between the heat exchanger and the drain pan is provided at a lower end of the heat exchanger.

[0007] Further, a sealing material is added to the lower end of the heat exchanger or the reinforcing member facing the lower end of the heat exchanger.

[0008] Further, a sealing material is added to the drain pan or the reinforcing member facing the drain pan.

[0009] Further, the mounting means for mounting the heat exchanger is provided with detachable male and female locking portions provided on both sides of the upper portion of the heat exchanger and the corresponding housing, and the heat exchanger. And a screw-fastening portion formed by a screw hole correspondingly provided in the housing.

[0010] The heat exchanger is configured such that when the drain pan and the screw fixing portion are removed, both upper sides thereof are suspended by the locking portions.

The locking portion comprises a locking hole formed in a substantially U-shape by opening a side portion of the side plate of the heat exchanger, and a locking claw provided on the housing. It has a configuration.

Further, the locking claw is formed to have a substantially L-shaped cross section by cutting and raising.

[0013] Further, on one side of the heat exchanger, there is provided a water conduit for receiving the condensed water adhering to the pipe connected to the heat exchanger and guiding it to the drain pan.

Further, the water conduit has a flange formed continuously on a side plate of the heat exchanger, and a discharge port provided on the flange and connected to the drain pan.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The embodiments of the present invention will be described below as examples based on the attached drawings. FIG. 1 is a sectional view of a duct-type air conditioner according to the present invention, FIG. 2 is an explanatory view of a duct-type air conditioner according to the present invention, (A) is an exploded perspective view, and (B) is (A). 3 is an exploded perspective view of a duct type air conditioner according to the present invention, and FIG. 4 is a perspective view of a main part of the duct type air conditioner according to the present invention.

In the drawing, reference numeral 1 denotes a casing constituting the duct type air conditioner of the present invention, 2 denotes a partition plate provided with a ventilation port 2a in the casing 1 and partitions the front and rear, 3 denotes a partition plate 2
A suction port provided in a blower room defined in a rear portion of the housing 1, an outlet provided in a heat exchanger chamber defined in a front portion of the housing 1, and a suction port 6 provided in the heat exchanger room. The fan is housed in a fan casing 5 having a suction part 5a communicating with the fan and a blowout part 5b communicating with the vent 2a, 7 is a drive motor for driving the fan 6 and 8 is housed in the fan casing 5. A blower 10 composed of a blower fan 6 and a drive motor 7 is provided with a drain pan 9 at a lower part in the heat exchanger chamber, and an upper part is inclined forward, and both sides are mounted by mounting means described later. It is.

Next, the duct type air conditioner according to the present invention configured as described above reinforces the strength of the lower end of the heat exchanger 10 and seals the gap between the heat exchanger 10 and the drain pan 9. To prevent the air that has not been heat-exchanged from flowing into the blow-off air passage, and to connect a pipe 10 connected to the heat exchanger 10.
A detailed description will be given of a structure that prevents the condensed water adhered to a from dropping to the outside and allows the heat exchanger 10 to be easily attached.

The duct type air conditioner according to the present invention has a reinforcing member 12 at the lower end of the heat exchanger 10 for reinforcing the strength of the heat exchanger 10 and sealing the gap between the heat exchanger 10 and the drain pan 9. As described in the related art described above, for example, vibration or a drop impact acts during transportation, or when the drain pan 9 is removed during maintenance work, even if the drain pan 9 is pushed, the heat is not applied. The fins constituting the exchanger 10 are not deformed, so that no gap is formed between the lower end of the heat exchanger 10 and the drain pan 9, so that heat is exchanged as shown by the dashed arrow a 'in FIG. No air flow is mixed with the air flow as shown by the arrow a, which is heat-exchanged through the heat exchanger 10, and the performance of the air conditioner is not reduced.

In addition, since a sealing material is added to the lower end of the heat exchanger 10 or the reinforcing member 12 opposed thereto, the sealing material is provided to the drain pan 9 or the reinforcing member 12 opposed thereto. Is provided, the gap between the lower end of the heat exchanger 10 and the drain pan 9 can be more reliably sealed.

The mounting means for mounting the heat exchanger 10 is provided on both sides of the upper part of the heat exchanger 10 and on the housing 1 corresponding thereto, as shown in part A in FIG. A male / female locking portion 13 to be described later, a through hole 16 provided at both lower sides of the heat exchanger 10, and a screw fixing portion comprising a correspondingly provided screw hole 17 provided in the housing 1. 18
(See FIG. 1), the number of places to be screwed and fixed is reduced as compared with the above-described prior art, and workability for mounting the heat exchanger 10 is improved.

When the drain pan 9 and the screw fixing portion 18 are removed, both sides of the upper portion of the heat exchanger 10 are opened to the side plate 11 of the heat exchanger 10 so that the heat exchanger 10 has a substantially U-shape. By being suspended by a locking portion 13 including a locking hole 14 formed in a shape and a locking claw 15 formed in the casing 1 to have a substantially L-shaped cross section by being cut and raised, For example, at the time of maintenance, even if the screw fastening portion 18 is removed, both upper portions of the heat exchanger 10 are accurately suspended by the locking portion 13 having a cost-effective configuration,
There is no need to support the heat exchanger 10 so that it does not fall, and workability is greatly improved.

Further, as shown in FIG. 4, one side of the heat exchanger 10 receives the dew condensation water attached to the pipe 10a connected to the heat exchanger 10 and guides the water to the drain pan 9. By providing a water conduit composed of a flange 11a formed continuously on the side plate 11 of the vessel 10 and a discharge port 11b connected to the drain pan 9 provided on the flange 11a, a pipe 10a connected to the heat exchanger 10 is provided. The attached condensed water can be accurately guided to the drain pan 9 through the discharge port 11b as shown by an arrow b in FIG.

With the above configuration, as shown in FIG. 1, FIG. 2 (A), FIG. 2 (B), FIG. 3 and FIG. In addition to reinforcing the strength of 10, the reinforcing member 12 that seals the gap between the drain pan 9 is provided, as in the prior art described above, for example, vibration or drop impact acts during transportation, When the drain pan 9 is removed during maintenance, the heat exchanger 10 is pressed even if the drain pan 9 is pushed.
5 is not deformed, so that no gap is formed between the lower end of the heat exchanger 10 and the drain pan 9. However, the air conditioner does not mix into the airflow as indicated by the arrow a, which is heat-exchanged through the heat exchanger 10, and the performance of the air conditioner does not decrease.

[0024]

As described above, according to the present invention, the lower end of the heat exchanger is reinforced and the gap between the heat exchanger and the drain pan is sealed so that the air that has not been heat-exchanged does not flow into the outlet air passage. The present invention provides a duct type air conditioner in which dew condensation water attached to a pipe connected to the heat exchanger is prevented from dripping to the outside, and the heat exchanger can be easily mounted.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a duct type air conditioner according to the present invention.

FIGS. 2A and 2B are explanatory views of a duct type air conditioner according to the present invention, wherein FIG. 2A is an exploded perspective view and FIG. 2B is an enlarged view of a portion A shown in FIG.

FIG. 3 is an exploded perspective view of a duct type air conditioner according to the present invention.

FIG. 4 is a perspective view of a main part of a duct type air conditioner according to the present invention.

FIG. 5 is a sectional view of a conventional duct type air conditioner.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Housing 2 Partition plate 2a Vent 3 Inlet 4 Outlet 5 Fan casing 5a Suction part 5b Blowout part 6 Blow fan 7 Drive motor 8 Blower 9 Drain pan 10 Heat exchanger 10a Piping 11 Side plate 11a Flange 11b Discharge port 12 Reinforcing member 13 Support 14 Locking hole 15 Locking claw 16 Insertion hole 17 Screw hole 18 Screw fixing part

 ────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Tatsuo Yamakawa 1116, Suenaga, Takatsu-ku, Kawasaki F-term in Fujitsu General Limited (Reference) 3L050 BD05 BF07 3L051 BE02 BE03 BJ10

Claims (9)

[Claims] 1. An interior of a housing is divided into front and rear by a partition plate provided with a vent, and a blower room provided with a suction port and a heat exchanger room provided with an outlet are provided in the same housing. Further provided with a blower including a blower fan housed in a fan casing having a suction portion communicating with the suction port and a blowout portion communicating with the ventilation hole, and a drive motor for driving the blower fan; In a chamber, a duct type air conditioner comprising a drain pan at a lower part, an upper part inclined forward, and a heat exchanger to which both sides are attached by attaching means, wherein the heat exchanger is provided at a lower end of the heat exchanger. A duct-type air conditioner, which is provided with a reinforcing member for reinforcing the strength of the drain pan and sealing a gap between the drain pan. 2. A duct-type air conditioner according to claim 1, wherein a sealing material is added to a lower end of the heat exchanger or the reinforcing member facing the lower end of the heat exchanger. 3. The duct-type air conditioner according to claim 1, wherein a sealing material is added to the drain pan or the reinforcing member facing the drain pan. 4. A mounting means for mounting the heat exchanger,
Removable male and female locking portions provided on the upper sides of the heat exchanger and the corresponding housing, and insertion holes provided on both lower sides of the heat exchanger and correspondingly. The duct type air conditioner according to claim 1, wherein the air conditioner is configured to include a screw fastening portion formed of a screw hole provided in the housing. 5. The heat exchanger according to claim 1, wherein when the drain pan and the screw fixing portion are removed, both upper portions thereof are suspended by the locking portion. The air conditioner of the duct type according to claim 4. 6. The locking portion includes a locking hole formed in a substantially U-shape by opening a side portion to a side plate of the heat exchanger, and a locking claw provided in the housing. The duct-type air conditioner according to claim 4 or claim 5, wherein: 7. The duct type air conditioner according to claim 6, wherein the locking claw is formed to have a substantially L-shaped cross section by cutting and raising. 8. A water conduit provided on one side of the heat exchanger for receiving dew water adhering to a pipe connected to the heat exchanger and guiding the water to the drain pan. An air conditioner of the duct type according to claim 6. 9. The water conduit comprises a flange formed continuously on a side plate of the heat exchanger, and a discharge port provided on the flange and connected to the drain pan. 8. The air conditioner of the duct type according to 8.