KR20230081758A - Drain fan for air conditioner - Google Patents

Abstract

A drain pan for an air conditioner that can improve the degree of freedom in developing the direction and shape of a discharge port optimized for product performance by being detachably coupled to the drainage tray so that the discharge guide part is detachably coupled to the drain tray to realize a discharge angle that is impossible with injection molding by the separable coupling part. Invention is disclosed.
The disclosed drain pan for an air conditioner includes a drain tray for collecting condensate falling from a heat exchanger to be discharged, a discharge guide part disposed below the drain tray to form a discharge passage, and the discharge guide part and the drain tray can be separated. It includes a separate coupling part that is coupled to each other.

Description

Drain fan for air conditioner {DRAIN FAN FOR AIR CONDITIONER}

The present invention relates to a drain pan for an air conditioner, and more particularly, a discharge guide unit is detachably coupled to a drain tray to realize a discharge angle that is impossible with injection molding by means of a separate coupling portion, thereby providing a discharge direction optimized for product performance and It relates to a drain pan for an air conditioner capable of improving the degree of freedom in shape development.

In general, an air conditioner is a device that controls room temperature through heat exchange between a refrigerant flowing through an evaporator of a refrigeration cycle and indoor air using a refrigeration cycle.

These air conditioners are manufactured separately from an integrated air conditioner in which the evaporator and other parts constituting the refrigeration cycle, that is, the condenser and the day compressor, are manufactured as one unit, and the indoor unit including the evaporator and the outdoor unit including other parts of the refrigeration cycle. It is classified as a separate type air conditioner.

Such a separate type air conditioner is classified into a floor-mounted type in which an indoor unit is installed on the floor of the room, a wall-mounted type in which the indoor unit is fixedly installed on an indoor wall, and a ceiling type in which the indoor unit is installed in a space between a ceiling and a ceiling finishing material.

Such a wall-mounted air conditioner has a front panel with an intake hole formed on the upper side and a discharge port formed on the lower side, a rear panel with a discharge guide formed on the inside that is combined to form a box shape with the front panel and guiding heat-exchanged air toward the discharge port, and a front panel A blower fan installed between the rear panels to suck indoor air, a heat exchanger installed on the intake side to exchange heat with the indoor air sucked in by the blower fan, and condensate water falling from the heat exchanger installed on the lower side of the heat exchanger It is configured to include a drain pan that collects the drain pan, and vertical and horizontal blades installed on the lower side of the drain pan to adjust the wind direction of the heat-exchanged air.

That is, indoor air sucked into the heat exchanger by the blowing fan is cooled by heat exchange with the refrigerant, and the cooled air is compressed while passing through the discharge guide and discharged into the room.

However, in the wall-mounted air conditioner according to the prior art, some of the air discharged from both sides of the blowing fan is compressed and discharged to the discharge guide side. At this time, the flowing air meets the wide curved surface of the discharge guide and the flow area rapidly increases, causing vortexes. In addition to generating noise, there is a problem in that the feeling of air flow is deteriorated due to the occurrence of vortex, which is an element that interferes with the flow.

Therefore, there is a need to improve this.

As a related background art, there is Korean Patent Registration No. 10-0409007 (registered on November 27, 2003, name: discharge guide structure of air conditioner).

The present invention was created by the above needs, and the direction and shape of the discharge port optimized for the performance of the product by being detachably coupled to the drainage tray so that the discharge guide part is detachably coupled to the discharge angle by the separate coupling part to realize the discharge angle that is impossible with injection molding. Its purpose is to provide a drain pan for an air conditioner that can improve the degree of freedom of development.

In order to achieve the above object, a drain pan for an air conditioner according to the present invention includes a drain tray for collecting condensate falling from a heat exchanger to be discharged, a discharge guide part disposed below the drain tray to form a discharge passage, and the above and a separate coupling portion that detachably couples the discharge guide portion and the drain tray.

The discharge guide part includes an inclined plate disposed obliquely on the circumferential surface of the drain tray and guiding the heat-exchanged air to be discharged to the outside, and a seating support part extending from both sides of the inclined plate and supporting the drain tray to be seated therein. include

The separation and coupling part prevents the drainage tray from being separated from the seating support portion when the drainage tray is temporarily placed on the inclined plate by the provisional holding guide portion for guiding the drainage tray to be elastically temporarily mounted on the inclined plate and the temporary holding guide portion It includes a separation prevention fixing part that is fixed as much as possible.

The temporary guide portion is a pair of fitting guide members protruding from the circumferential surface of the drain tray to form an accommodating space, a fitting member extending from the inclined plate to be fitted into the accommodating space, and the fitting member and an elastic coupling portion elastically coupling the inclined plate to the discharge tray when fitted into the space portion.

The anti-separation fixing part protrudes from the drain tray, protrudes from the circumferential surface of the seating support part to support a fastening pipe part in which a fastening hole is formed in the axial direction, and covers the fastening pipe part, and communicates with the fastening hole part It includes a communication cover portion in which a communication hole portion is formed, and a fastening member inserted into the fastening hole portion to be fastened to fix the fastening tube portion to the communication cover portion with a tightening force.

The air conditioner drain pan according to the present invention has a structure in which the discharge guide part is detachably coupled to the drain tray to realize a discharge angle that is impossible with injection molding by a separate coupling part, so that the direction of the discharge port optimized for product performance and It has the effect of improving the degree of freedom of shape development.

1 is a perspective view illustrating a drain pan for an air conditioner according to an embodiment of the present invention.
2 is an exploded perspective view illustrating a drain pan for an air conditioner according to an embodiment of the present invention.
3 is a cross-sectional view of AA of FIG. 1;
4 is a cross-sectional view showing BB of FIG. 1;

Hereinafter, a drain pan for an air conditioner according to an embodiment of the present invention will be described with reference to the accompanying drawings. In this process, the thickness of lines or the size of components shown in the drawings may be exaggerated for clarity and convenience of description.

In addition, terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to the intention or custom of a user or operator. Therefore, definitions of these terms will have to be made based on the content throughout this specification.

1 is a perspective view showing a drain pan for an air conditioner according to an embodiment of the present invention, FIG. 2 is an exploded perspective view showing a drain pan for an air conditioner according to an embodiment of the present invention, and FIG. 3 is A-A of FIG. , and FIG. 4 is a cross-sectional view taken along line BB of FIG. 1 .

As shown in FIGS. 1 to 4 , a drain pan for an air conditioner according to an embodiment of the present invention includes a drainage tray 100 , a discharge guide part 200 and a separation coupling part 300 .

The drainage tray 100 is disposed below the heat exchanger (not shown). The drain tray 100 provides a space in which the discharge guide unit 200 is fixedly installed through the separation coupling unit 300 and at the same time collects condensate falling from the heat exchanger to be discharged.

To this end, the drain tray 100 has a structure in which an upper side is opened to contain condensed water and is longer than the length of the heat exchanger.

In addition, a drain pipe 110 is protruded from the drain tray 100 so that a separate drain hose for discharging the collected condensate to the outside is inserted, and the cross flow fan F forms a boundary between the suction area and the discharge area. A stabilizer 120 is formed adjacent to (F) and extends to prevent the air discharged into the discharge area from flowing back into the intake area.

At this time, although not shown, the stabilizer 120 is recessed with a noise mitigation guide groove to alleviate the noise of the discrete frequency generated by the cross-flow fan F. Here, the noise alleviation guide grooves are recessed in the thickness direction of the stabilizer 120 to have a V shape, and a plurality of them are continuously formed along the longitudinal direction of the stabilizer 120 .

In addition, a pair of supports 130 protrude side by side while being spaced apart from each other on the lower side of the drain tray 100 to support blades (not shown) for adjusting the discharge direction of the air cooled by the heat exchanger.

And, the discharge guide part 200 is disposed below the drainage tray 100 to form a discharge passage. The discharge guide part 200 serves to guide the air cooled inside the air conditioner according to the present invention to be discharged to the lower side of the drain tray 100.

To this end, the discharge guide part 200 is disposed obliquely on the circumferential surface of the drain tray 100 and extends to both sides of the inclined plate 210 for guiding the heat-exchanged air to be discharged to the outside, and the inclined plate 210, respectively. It includes a seat support portion 220 formed to support the drainage tray 100 to be seated.

Meanwhile, the separate coupling part 300 detachably couples the discharge guide part 20 and the drainage tray 10 so that the discharge guide part 20 can achieve a discharge angle that cannot be achieved by injection molding.

The separation and coupling part 300 is arranged so that the inclined plate 210 of the discharge guide part 200 is disposed on the drain tray 100 while implementing an optimal discharge angle while injection molding is not possible. It serves to connect the unit 200.

To this end, the separation coupling part 300 is provided by the temporary mounting guide 310 and the temporary mounting guide 310 for guiding the drainage tray 100 to be elastically temporarily mounted on the inclined plate 210. The drainage tray 100 It includes a separation preventing fixing portion 320 for fixing the seating support portion 220 and the drainage tray 100 to prevent separation when temporarily placed on the inclined plate 210 .

At this time, the temporary guide part 310 is inclined so as to fit into the fitting guide member 311, which protrudes from the circumferential surface of the drainage tray 100 and forms the accommodating space part 311a, and the accommodating space part 311a A fitting member 312 extending from the plate 210 and an elastic coupling part elastically coupling the inclined plate 210 to the discharge tray 100 when the fitting member 312 is inserted into the receiving space 311a ( 313).

The elastic coupling portion 313 includes a catching hole 313a formed through the inclined plate 210 and an elastic catching hook 313b protruding from the discharge tray 100 so as to be elastically caught in the catching hole 313a. include

That is, the elastic hook (313b) is in contact with the inclined plate 210 in the process of fitting the fitting guide member 311 of the drain tray 100 to the fitting member 312 of the inclined plate 210 and is bent elastically The locking hole portion 313a is restored to be caught at the moment it coincides with the locking hole portion 313a to prevent the fitting guide member 311 from being moved in the opposite direction to the direction in which the fitting member 312 is inserted.

Accordingly, the discharge guide unit 200 can easily and elastically support the drainage tray 100 by simply inserting the fitting guide member 311 into the fitting member 312, thereby improving assemblyability. be able to

In addition, the anti-separation fixing part 320 protrudes from the drain tray 100 and is seated to support the fastening pipe part 321 in which the fastening hole 321a is formed in the axial direction and the fastening pipe part 321 to be covered. It protrudes from the circumferential surface of the support part 220 and is inserted into the communication cover part 322 in which the communication hole part 322a communicating with the fastening hole part 321a is formed and the fastening hole part 321a so as to be fastened to the fastening pipe part with a tightening force. A fastening member 333 for fixing 321 to the communication cover 322 is included.

That is, when the fitting guide member 311 is inserted into the fitting member 312 so that the elastic hook 313b is caught in the hooking hole 313a, the communication hole 322a and the fastening hole 321a communicate while being matched with each other. The communication cover part 322 covers the end of the fastening pipe part 321 . At this time, when the fastening member 333 passes through the communication hole 322a and is fastened to the fastening hole 321a, the fastening member 333 prevents the communication cover 322 from being separated from the fastening pipe 321. 322) is pressed with a clamping force.

Accordingly, the discharge guide unit 200 can maintain a state firmly connected to the drainage tray 100 in the process of guiding the discharge of air cooled inside the air conditioner according to the present invention.

Therefore, since the drain tray 100 and the discharge guide part 200 are each composed of independent parts, not only can they be manufactured by injection molding in a shape that can optimize performance depending on the product, but also can not be applied due to structural limitations of the mold. It is possible to form a discharge angle.

The present invention has been described with reference to the embodiments shown in the drawings, but this is only exemplary, and those skilled in the art can make various modifications and equivalent other embodiments. will understand

Therefore, the true technical protection scope of the present invention should be determined by the claims below.

100: drain tray 110: drain pipe
120: stabilizer 121: noise alleviation guide groove
130: support 200: discharge guide unit
210: inclined plate 220: seating support
300: Separation coupling part 310: Temporary mounting guide part
311: fitting guide member 312: fitting member
313: elastic coupling part 320: separation prevention fixing part
321: fastening pipe part 322: communication cover part
323: fastening member

Claims (5)

A drain tray for collecting condensate falling from the heat exchanger to be discharged;
a discharge guide part disposed below the drain tray to form a discharge passage; and
a separable coupling portion that detachably couples the discharge guide portion and the drainage tray;
A drain pan for an air conditioner comprising a.
According to claim 1,
The discharge guide part,
an inclined plate disposed obliquely on the circumferential surface of the drain tray and guiding the heat-exchanged air to be discharged to the outside; and
Seating support units extending from both sides of the inclined plate to support the drainage tray to be seated thereon;
A drain pan for an air conditioner comprising a.
According to claim 2,
The separation coupling part,
a temporary guide unit for guiding the drainage tray to be elastically temporarily mounted on the inclined plate; and
a separation preventing fixing unit for fixing the mounting support portion and the drainage tray to be prevented from being separated when the drainage tray is temporarily placed on the inclined plate by the temporary holding guide unit;
A drain pan for an air conditioner comprising a.
According to claim 3,
The provisional guide unit,
A pair of fitting guide members protruding from the circumferential surface of the drain tray to form an accommodation space;
a fitting member extending from the inclined plate to be inserted into the receiving space; and
an elastic coupling portion elastically coupling the inclined plate to the discharge tray when the fitting member is inserted into the accommodation space;
A drain pan for an air conditioner comprising a.
According to claim 3,
The separation prevention fixing unit,
A fastening pipe part protruding from the drain tray and having a fastening hole formed in an axial direction;
a communication cover part protruding from a circumferential surface of the seating support part to cover and support the fastening pipe part, and having a communication hole part communicating with the fastening hole part; and
a fastening member that is fastenably inserted into the fastening hole and fixes the fastening pipe part to the communication cover part with a tightening force;
A drain pan for an air conditioner comprising a.

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