JP3327504B2 - Air conditioner - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner of a type in which an air filter is detachably attached to a front cover of an indoor unit.

[0002]

2. Description of the Related Art In recent years, downsizing of indoor units has progressed. In recent years, in particular, indoor units having smaller vertical dimensions and being able to be installed relatively clean even in a room with a low ceiling have become mainstream. For example, an indoor unit as shown in FIG. 3 has been devised. A suction port a is formed on the front surface and the upper surface, and a filter b which can be attached and detached along the inner surface from a lower portion of the suction port a is provided. Body base c
A heat exchanger e formed in an inverted V-shape is provided at an upper part of an air passage connecting the lower air outlet d, and a blower fan f is provided at a lower part of the heat exchanger e. A warm air or a cool air is blown into the room more. A guide g for sliding the filter b is provided at both ends of the inner surface of the suction port a and the upper part of the heat exchanger e.
Is provided so that the filter b can be smoothly attached and detached.

[0003]

In such a conventional air conditioner, since the suction port a is wide from the front surface to the rear end of the upper surface, the size of the filter b is large, and the guide g for sliding the filter b is also provided in the suction port a. Heat exchanger e as well as the inner surface of
And so on, which increased the cost. In addition, when the guide g such as the heat exchanger e is omitted, there is a problem that the filter b is caught by the heat exchanger e and the suction port a when the filter b is attached and detached, and a hole is formed in the filter b.

[0004]

The present invention focuses on this point and solves the above-mentioned drawbacks. In particular, the present invention comprises a main body base, a front cover attached to the front surface of the main body base, and a cover for the front cover. In an air conditioner provided with an air filter, a heat exchanger, and a blower fan in an airflow path connecting an inlet formed on an upper surface and a front surface with an air outlet provided at a lower portion of the main body base, the heat exchange is performed. The vessel is divided into a plurality of parts in the horizontal direction, and the space between the lower end of the front suction port and the rear end of the upper suction port is bent in an inverted V-shape or arch shape, and is disposed between the front suction port and the upper suction port and the heat exchanger. Is provided with an air filter in a detachable manner, with a plurality of
The air filter is provided with a rib having a groove protruding forward and integrally with the main body base and narrowing at the root side to guide and hold the tip of the air filter.

[0005]

In order to explain the attachment and detachment of the filter 10, the suction panel 19 is pulled toward the user to open the panel 19 and open the filter 1.
If 0 is pulled along the guide 21, the tip of the filter 10 slides on the rib 9 and can be removed smoothly. The filter 10 is mounted between the upper suction port 17 and the guide 21 from the suction panel 19 opened as described above.
If the tip is pushed in, the filter 10 can be smoothly mounted at a predetermined position by the guide 21 and the rib 9.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. Reference numeral 1 denotes an indoor unit of a heat pump type air conditioner, and an outdoor unit (not shown) and a refrigerant pipe (not shown).
And it is connected by a connecting wire (not shown) and used by being installed on a wall near the ceiling. 2 is a main body base, and a heat exchanger 3
And functional parts such as a blower fan 4, a front drain pan 5, and electrical components (not shown).

A front cover 6 is provided on the upper surface of the main body base 2.
And a top end 8 extending from the front cover 6, and a rear end of the top end 8 having a narrow groove protruding forward from the main body base 2. 9 are provided. A plurality of the ribs 9 are provided on the upper portion of the main body base 2 at appropriate intervals. In this embodiment, three ribs are provided on the left and right sides and at the center, and guide and hold the tip of the air filter 10.

The rib 9 is formed integrally with the main body base 2 made of resin so that the tip of the rib 9 is not caught by the heat exchanger 3 or the upper suction port 8 when the filter 10 is attached or detached, so that the rib 9 is not damaged. The filter 10 is formed by welding a resin net to a resin frame, and captures dust in the intake air. A rear drain pan 11 is provided slightly above the center of the main body base 2 and a fan case 12 is provided downward from the center.
Are integrally formed. A groove (not shown) for locking an installation plate (not shown) for mounting on a wall surface and a back drain pan 13 for receiving dew water on the back during cooling operation are provided on the back of the main body base 2.

The heat exchanger 3 is a horizontally long fin tube type heat exchanger. The heat exchanger 3 is bent in four stages so as to surround the blower fan 4 in order to increase the efficiency from the center of the front surface to the upper surface.
The rear side is positioned in an inverted V-shape obliquely upward from the rear drain pan 11 toward the front, and successively connected to the front central drain pan 5 slightly below the front. In this embodiment, the upper end of the heat exchanger 3 has an inverted V-shape, but the heat exchanger 3 which is sequentially bent in an arch shape between the front drain pan 5 and the rear drain pan 11 may be used. The front drain pan 5 receives dew water generated in the heat exchanger 3 on the front side during cooling operation, and is attached to the main body base 2 by legs (not shown) provided on the left and right.

Below the front drain pan 5, a blow-out section 1 is provided.
The blowout portion 13 is provided with a vertical wind direction blade 14 for controlling the vertical wind direction and a left and right wind direction blade 15 for controlling the horizontal wind direction. The upper and lower wind direction blades 14 are provided on the left and right and the center of a horizontally long resin plate.
A louver motor (not shown) or a manual operation is used to direct the vertical direction of the blown air to a desired direction. Generally, the air blows horizontally during the cooling operation and downward during the heating operation. The blade 15 is attached to the lower end of the fan case 12 and can manually turn the left and right direction of the blown air in a desired direction.

The blower fan 4 is located at an appropriate distance between the front of the fan case 12 of the main body base 2 and the back of the front drain pan 5, and is provided with a blower motor ( (Not shown).
The front cover 6 has a lattice-shaped upper suction port 17 continuing from the upper suction port 8 on the main body base 2 on the upper surface, a blowout port 18 on a lower front face, and a front suction port provided on a suction port panel 19 on an upper front face. 20 and the filter 10 and the filter 1
There is provided a guide 21 on which 0 slides. The guide 21 is provided along the left and right sides of the inner surface of the front suction port 20 and extends from the lower end of the front suction port 20 to the vicinity of the upper end of the heat exchanger 3 on the bottom surface of the upper suction port 17.

A U-shaped recess 22 is formed in a part of the front side of the upper suction port 17, and a claw 23 for fitting with the fitting portion 7 of the main body base 2 is provided on the rear side. The inlet panel 19 is provided at its upper end with a rotating shaft 23 which engages with the concave portion 22 of the front cover 6. The rotating shaft 23 is formed by integrally forming one end of a horizontal cylinder into the suction port panel 19 in an L-shape, and the cylindrical portion rotates within the recess 22.

The front suction port 20 is open in the form of a louver, and sucks room air when the blower fan 4 is operated. A claw 24 is provided at the lower end of the panel 19 to engage with the front drain pan 5 when the panel 19 is closed.

The attachment and detachment of the filter 10 will be described.
By pulling the suction panel 19 forward and opening the panel 19 and pulling the filter 10 along the guide 21, the tip of the filter 10 slides on the rib 9 and can be removed smoothly.
The filter 10 is mounted in the same manner as described above by pressing the tip of the filter 10 between the upper suction port 17 and the guide 21 from the opened suction panel 19 and the filter 10 is smoothly mounted to a predetermined position by the guide 21 and the rib 9. be able to.

By providing the ribs 9 integrally with the main body base 2 as described above, it is not necessary to provide a large guide member for preventing the filter 10 from being caught on the upper part of the heat exchanger 3, and the assembling work is simplified and the product is simplified. Was able to lower costs.

[0016]

As described above, according to the present invention, the main body base, the front cover attached to the front surface of the main body base, the suction ports formed on the upper surface and the front surface of the front cover, and the lower portion of the main body base. In an air conditioner provided with an air filter, a heat exchanger, and a blower fan in an air passage connecting between the air outlet and the air outlet provided in the air outlet, the heat exchanger is divided into a plurality of parts in the horizontal direction and the lower end and the upper end of the front suction port are separated. between the rear end of the suction inlet are bent in the opposite V-shaped or arcuate disposed, between the front suction port and the upper suction port and the heat exchanger is detachably mounted an air filter, the upper part of the body base Multiple at appropriate intervals
The air filter is provided with a rib having a groove that protrudes forward integrally with the main body base and is narrow at the root side to guide and hold the tip of the air filter, so that the filter is prevented from being caught on the upper part of the heat exchanger. This eliminates the need for providing a guide member, simplifies the assembling work, and can reduce the cost of the product.

[Brief description of the drawings]

FIG. 1 is a schematic sectional view of a side surface according to an embodiment of the present invention.

FIG. 2 is a perspective view of the main body base.

FIG. 3 is a schematic sectional view of a conventional example.

[Explanation of symbols]

 2 Body base 3 Heat exchanger 4 Blower fan 6 Front cover 9 Rib 10 Filter 17 Upper suction port 19 Suction port panel 21 Guide

────────────────────────────────────────────────── ─── Continuing from the front page (72) Inventor Masahiro Takano 7-7 Higashi Shinbo, Sanjo-shi, Niigata Prefecture Corona Co., Ltd. (72) Inventor Tsutomu 7-7 Higashi-Shinbo, Sanjo-shi, Niigata Pref. Mitsuru Matsumoto (56) References JP-A-61-204616 (JP, U) JP-A-5-8316 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) B01D 46/10 F24F 13/28

Claims (1)

(57) [Claims] 1. A main body base, a front cover attached to a front surface of the main body base, and a connection between a suction port formed on an upper surface and a front surface of the front cover and an outlet provided at a lower portion of the main body base. In an air conditioner provided with an air filter, a heat exchanger, and a blower fan in an air passage, the heat exchanger is divided into a plurality of parts in a horizontal direction and an inverted V is provided between a lower end of the front suction port and a rear end of the upper suction port. shaped or bent to arcuate disposed, between the front suction port and the upper suction port and the heat exchanger is detachably mounted an air filter, the upper part of the body base
An air conditioner characterized in that a plurality of ribs are provided at appropriate intervals and are integrally formed with the main body base and protrude forward and have a groove narrowed on the root side to guide and hold the tip of the air filter.