JPH10253148A - Air filter for air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To remove dust and the like adhering to the inside of a suction grill and prevent the dust and the like from falling on a heat exchanger by providing a vertical rib on the peripheral brim of an inserting end of an air filter installed between the heat exchanger and the suction grill in an arcuate form. SOLUTION: An air filter 1 which is mounted on an air conditioner is provided with notches 2, 3 at two positions located at left and right sides of a lower frame thereof. The air filter 1 is also provided with a grip 4 between these notches 2, 3. On the peripheral brim of the front portion of the air filter 1 which is inserted into a front panel, a vertical rib 5 is mounted. Due to such a construction, even when an operator grasps the grip 4 and pulls the air filter 1 downwardly to remove the air filter 1, dust and dirt are prevented from falling in a rearward direction. In addition, this rib 5 enables a removal of dust and dirt adhering to a grating inside a suction grill located above and the dust and dirt are collected on the upper surface of the air filter 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to an air filter for an air conditioner.

[0002]

2. Description of the Related Art FIG. 2 is a side view showing the structure of a conventional wall-mounted air conditioner. In this air conditioner, base 1
0 is combined with a front panel 11 to form a box-shaped housing (casing) 12. Front panel 11
Are formed with air suction grills 13, 14, 15 on the front and top surfaces, respectively. The suction grill 13 on the front is detachable from the front panel 11.

In the casing 12, a plate fin tube type heat exchanger 16 and a cross flow fan 17 are arranged. Plate fin tube type heat exchanger 16
Has a configuration in which a plurality of plate fins are arranged in parallel, side plates are arranged on both sides of the plate fins, and a tube through which a refrigerant flows is arranged between the side plates and the plurality of plate fins. The cross flow fan 17 is disposed in an air passage in the casing 12.

A plate-fin tube type heat exchanger 16 is disposed on the air suction side when the cross flow fan 17 rotates in the direction indicated by the arrow a so as to surround the cross flow fan 17. The plate fin tube type heat exchanger 16 has a plurality of parts, that is, the first stage part 1.
61, a second step portion 162, and a third step portion 163. On the other hand, the air outlet 20 of the front panel 11
Has a wind direction changing device 2 for changing the blowing direction of cold air and hot air.
1 is provided.

In recent years, in wall-mounted air conditioners,
As described above, the heat exchanger 16 is divided or bent so as to be bent along the front surface and the upper surface of the casing 12, and the suction grill is formed not only on the front surface but also on the upper surface. Accordingly, a removable air filter 22 is provided between the suction grills 13, 14, 15 and the heat exchanger 16, and the suction grills 13, 14, 1 are removed.
5 so as to be mounted.

FIG. 3 is a perspective view showing the above-described air conditioner.
FIG. 3 is a view showing a state in which the suction grille 13 is removed.
The lower part of the front panel 11 has mounting screws 23, 23.
Thus, it is fixed to the base 10 at two places. Two air filters 22, 22 are mounted on the front surface of the front panel 11 thus mounted. The suction grill 13 has two support portions 131,
131 is provided, and is rotatably supported on the front panel 11 via the support portions 131 and 131.

[0007]

In the above-described conventional air conditioner, the air filters 22 and 22 are attached to the front panel 11.
When the operator removes the suction grille 13 from the front panel 11, the operator first rotates the closed suction grille 13 with respect to the front panel 11 via the support portions 131, 131 to open it. Then, the user holds the lower portions of the air filters 22 and 22 and pulls them downward.
As a result, the curved air filters 22, 22 gradually pull out from the upper surface of the casing 12 along the front surface, and are eventually pulled out from below the front panel 11.

At this time, since the air filters 22, 22 are pulled out while rubbing with the suction grills 14, 15 on the upper surface, dust and dirt accumulated in the suction grills 14, 15 and the air filters 22, 22 are removed by the heat exchanger. 16 may fall. This is the heat exchanger 16
This can lead to a decrease in the operating efficiency of the pump, clogging of the drain channel, and the like.

Further, depending on the mounting condition of the air filters 22, 22, the mounting screws 23, 23 for fixing the front panel 11 to the base 10 are hidden by the frame of the air filter 22, so that the mounting screws from the front side. 23, 23 disappear. For this reason, when removing the front panel 11, the operator may not notice the presence of the mounting screws 23, 23 in some cases. In such a case, for example, at the time of repair, the operator may not be able to find the mounting screws 23 hidden behind the air filters 22, and may not be able to remove the front panel 11.

An object of the present invention is to provide the following air conditioner air filter. (1) An air conditioner air filter that prevents dust and dirt from falling onto the heat exchanger. (2) An air filter for an air conditioner in which a screw for mounting the front panel can be seen when the air filter is mounted on the front panel.

[0011]

Means for Solving the Problems In order to solve the above problems and achieve the object, an air filter for an air conditioner of the present invention is configured as follows. (1) In the air filter for an air conditioner of the present invention, a suction grill is formed on at least a front surface and an upper surface of a casing, and a heat exchanger is bent and arranged in the casing along the suction grill on the front surface and the upper surface. In the air conditioner, the air filter is an air filter for an air conditioner mounted in a curved shape between the heat exchanger and the suction grill, and a rising rib is provided at an edge of the air filter at the insertion end side. (2) The air filter for an air conditioner of the present invention is the air filter according to the above (1), and the rib is formed of a soft material, a felt material, or a flocked material. (3) The air filter for an air conditioner of the present invention is the air filter according to the above (1) or (2), and corresponds to a mounting screw of a front panel constituting the casing of a lower frame of the air filter. A notch for exposing the screw was provided at a position where the screw was exposed.

[0012]

FIG. 1 is a perspective view showing an air filter for an air conditioner according to an embodiment of the present invention. The air conditioner is equipped with two air filters 1, 1 shown in FIG. The basic configuration of the air conditioner according to the present embodiment is the same as that shown above based on FIG. 2 and FIG.

The air filters 1 and 1 are provided with cutouts 2 and 3 at two positions on the left and right of the lower frame, respectively, and a handle 4 is provided between the cutouts 2 and 3. Further, the air filters 1 and 1 are provided with rising ribs 5 at the edge on the front end side inserted into the front panel 11 shown in FIG. 3 over the edge.

With such a configuration, when the operator opens the suction grill 13 with the air filters 1 and 1 attached to the front panel 11, the air filters 1 and 1 are attached to the left side from the front side toward the front panel 11. The mounting screw 23 on the left side can be seen through the cutout 2 of the air filter 1 toward the front panel 11, and the mounting screw 23 on the right side can be seen from the cutout 3 of the air filter 1 mounted on the right side. .

The left and right air filters 1 and 1 have the same shape, and are provided with cutouts at two places on the left and right as described above. Therefore, whether the air filter 1 is mounted on the right side or the left side of the front panel 11, the corresponding mounting screw 23 can be seen through the corresponding notch 2 or 3.

The air filter 1 is provided with ribs 5 to prevent dust and dirt from dropping rearward when the operator holds the handle 4 and pulls the air filter 1 downward to remove it.
Is provided. The ribs 5 remove dust and dirt adhering to the grids inside the suction grilles 14 and 15 on the upper surface, and remove the air filter 1 while collecting the dust on the upper surface of the air filter 1. The rib 5 is made of a soft material or the like,
By using a felt material or the like, the removal effect is further enhanced.

The air filter 1 having the above configuration
Thus, problems such as a decrease in the operation efficiency of the heat exchanger 16 and a clogging of the drain water channel can be solved, and at the time of removing the air filter 1, the suction grille and the like can be cleaned.

It should be noted that the present invention is not limited to only the above-described embodiment, and can be implemented with appropriate modifications without departing from the scope of the invention.

(Summary of Embodiment) The configuration, operation and effect shown in the embodiment are summarized as follows. [1] In the air filter 1 for an air conditioner shown in the embodiment, suction grills 13, 14, and 15 are formed on at least the front surface and the upper surface of a casing 12, and a heat exchanger 16 is provided in the casing 12 on the front surface. And an air conditioner bent along the suction grilles 14 and 15 on the upper surface, wherein the heat exchanger 16 and the suction grill 1
An air filter for an air conditioner mounted in a curved shape between the air filter 3, 14, and 15, and a rising rib 5 is provided on an edge of the air filter 1 on the insertion tip side.

As described above, in the air filter for an air conditioner, since the rising rib 5 is provided at the edge of the insertion end side of the air filter 1, the air filter 1 is provided.
At the time of removal, dust and dust adhering to the inside of the suction grills 14 and 15 are removed by the rising ribs 5, so that the dust and dust can be prevented from falling onto the heat exchanger 16. [2] The air filter for an air conditioner described in the embodiment is the air filter according to the above [1], and the ribs 5 are formed of a soft material, a felt material, or a flocked material.

As described above, in the air filter for an air conditioner, since the ribs 5 are formed of a soft material, a felt material, or a flocked material, when the ribs 5 rub against the suction grills 14, 15, This eliminates the risk of damaging the inside of the suction grills 14 and 15 and also ensures that the dust and dust are removed. [3] The air filter for an air conditioner described in the embodiment is the air filter according to the above [1] or [2], and a front panel constituting the casing 12 of a lower frame of the air filter 1. 11 mounting screws 2
Notches 2 and 3 for exposing the screw 13 were provided at locations corresponding to No. 3.

As described above, in the air filter for an air conditioner, the notches 2 and 3 exposing the screws 23 are provided at positions corresponding to the mounting screws 23 on the front panel 11.
When the suction grill 13 is opened with the air filter 1 attached to the front panel 11, the mounting screw 23 can be seen from the front through the notches 2 and 3. The operator can easily find the mounting screw 23 at the time of repair or the like, and the front panel 11 can be immediately removed.

[0023]

According to the present invention, since the rising rib is provided at the edge of the insertion end of the air filter, when removing the air filter, dust and dirt attached to the inside of the suction grill by the rising rib are removed. Since it is removed, it is possible to prevent the dust and the dust from falling onto the heat exchanger.

According to the present invention, since the ribs are formed of a soft material, a felt material, or a flocked material, there is no danger of damaging the inside of the suction grille when the ribs rub against the suction grille. In addition, the dust and dirt can be reliably removed.

According to the present invention, since the notch for exposing the screw is provided at a position corresponding to the mounting screw on the front panel, the suction grill is opened with the air filter mounted on the front panel. In this case, since the mounting screw can be seen from the front side through the notch, an operator can easily find the mounting screw at the time of repair or the like, and the front panel can be immediately removed. become.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an air filter for an air conditioner according to an embodiment of the present invention.

FIG. 2 is a side view showing a configuration of an air conditioner according to a conventional example.

FIG. 3 is a perspective view showing an air conditioner according to a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Air filter 2 ... Notch 3 ... Notch 4 ... Handle 5 ... Rib 10 ... Base 11 ... Front panel 12 ... Housing (casing) 13, 14, 15 ... Suction grill 16 ... Plate fin tube type heat exchanger 17 cross flow fan 20 air outlet 21 wind direction changing device 22 air filter 23 mounting screw

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Yasuo Katayama 3-chome, Asahicho, Nishi-Biwajima-cho, Nishi-Kasugai-gun, Aichi Prefecture Inside the Air Conditioning Works of Mitsubishi Heavy Industries, Ltd. 3-chome, Asahicho 1 Mitsubishi Electric Corporation Air Conditioning Works (72) Inventor Atsushi Okada 3-chome, Asahimachi, Nishibiwajima-cho, Nishi-Kasugai-gun, Aichi Prefecture 1 Air Conditioning Works Mitsubishi Electric Corporation

Claims (3)

[Claims] 1. An air conditioner wherein a suction grill is formed at least on a front surface and an upper surface of a casing, and a heat exchanger is bent inside the casing along the suction grills on the front surface and the upper surface. An air filter for an air conditioner mounted in a curved shape between the air filter and the suction grill, wherein a rising rib is provided at an end edge of the air filter on the insertion front end side. . 2. The air filter for an air conditioner according to claim 1, wherein the rib is formed of a soft material, a felt material, or a flocked material. 3. The air filter according to claim 1, wherein a cutout for exposing the screw is provided in a portion of the lower frame of the air filter corresponding to the mounting screw of the front panel constituting the casing. Air filters for air conditioners.