JP2002005504A - Air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an air conditioner, equipped with a filter cleaning function, which automatically sweeps off dust on a filter which is bent and folded in a complex manner. SOLUTION: This air conditioner is provided with a filter 5, a heat exchanger 7, a blower 6, and a filter cleaning device 9 on the air passage 4, connecting an air inlet 2 provided from the front face to the top face of the main body enclosure 1 of the air conditioner to an air outlet 2, provided in the lower part of the enclosure 1. The filter cleaning device 9 is constituted of a rotating means 10, which rotates the filter 5 along the inside of the air inlet 2 of the enclosure 1, a dust-removing means 11, which removes the dust on the filter 5, and a dust-housing section 12.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to an air conditioner having a filter cleaning function for automatically cleaning dust on a filter of an air conditioner.

[0002]

2. Description of the Related Art A conventional air conditioner is disclosed in
As shown in Japanese Patent No. 9854, the filter is pulled out from the front panel of the main body housing by a customer's hand, washed by hand, and inserted again into the front panel by the customer's hand. In this method, since the air conditioner is usually installed at a high place in the room, there is a problem that the detachment and attachment of the filter becomes work at a high place for the elderly and women, which is extremely difficult and that the work is easily avoided. .

On the other hand, as disclosed in Japanese Utility Model Laid-Open No. 4-33916 and Japanese Utility Model Laid-Open No. 4-50320, an air conditioner with a filter cleaning device has been proposed.
However, the conventional air conditioner with a filter cleaning device has the following problems. That is, 4-3
In Japanese Patent No. 3916, the application is limited to a flat filter because the flat filter is rubbed with a brush moving in a horizontal direction. On the other hand, air-conditioning equipment of recent years is equipped with a complicatedly bent filter for the purpose of miniaturization, and the method disclosed in Japanese Utility Model Laid-Open No. 4-33916 cannot respond at all.

In Japanese Utility Model Application Laid-Open No. 4-50320, a filter is drawn out of an air conditioner by a rotating roller, dust on the filter is suctioned from a suction tube and a suction pipe provided in advance, and the filter is again removed. It was to return to a predetermined place in the air conditioner. However, in this method, it is necessary to provide a suction cylinder or a suction pipe outside the air conditioner, and there is a problem that the appearance is impaired and the cost of installing the equipment of the customer becomes considerable. Furthermore, this method has a structural restriction that the air inlet of the air conditioner is only on the front and the heat exchanger is limited to a flat plate, and the recent air inlet is provided from the front to the top, The method disclosed in Japanese Utility Model Laid-Open No. 50320/1992 cannot cope with a complicatedly bent heat exchanger.

[0005]

SUMMARY OF THE INVENTION In view of the above problems, it is an object of the present invention to provide an air conditioner having a filter cleaning function for automatically cleaning dust on a filter which is bent in a complicated manner. I do.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides an air connection between a suction port provided from the front surface to the top surface of a main body housing and an air outlet provided at a lower portion of the main body housing. In an air conditioner provided with a filter, a heat exchanger, a blower, and a filter cleaning device in a passage, rotating means for rotating the filter along an inside of a suction port of the main body housing, and dust on the filter. And a filter cleaning device including a dust removing means for removing dust and a dust storage unit.

[0007] Further, the filter is formed of a wire mesh having a space ratio of 25% or more and an opening ratio of 25 micrometers or more.

[0008] Further, the rotating means comprises a rail arranged on both sides of the filter for guiding the filter, a filter rotating motor and a filter returning means.

The heat exchanger is formed of a substantially vertical portion disposed above a drain pan and an inclined portion inclined rearward from above the drain portion, and the rail is provided between the heat exchanger and a suction port of the main body casing. , And the rail is formed in a substantially inverted “L” shape when viewed from the side surface of the main body housing.

Further, the filter return means is formed by a spiral spring which is arranged near the rail and one end of which is locked to the filter.

Further, the dust removing means is constituted by a rotatable bristle brush.

Further, the dust removing means is constituted by a blower for blowing air to dust on the filter.

Further, the dust removing means is constituted by a cleaning liquid and a liquid reservoir.

[0014] Further, the refuse storage section is arranged on the back of the main body housing.

[0015] Further, the refuse storage section is arranged on a front panel of the main body housing.

Further, the dust storage portion is formed so as to be detachable from the main body housing.

Further, the filter is provided with a deodorant spraying means for spraying a deodorant on the filter.

Further, an antibacterial agent sprinkling means for sprinkling an antibacterial agent on the filter is provided.

[0019]

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 longitudinal sectional view showing an embodiment of the air conditioner according to the present invention.
In FIG. 1, reference numeral 1 denotes a main body housing of the air conditioner, 2 denotes a suction port formed from the front surface to the top surface of the main body case 1, and 3 denotes an air outlet formed at a lower portion of the main body case 1. . A filter 5 for removing dust in the air, a blower 6 and a heat exchanger 7 are arranged in an air passage 4 connecting the suction port 2 and the outlet 3. The heat exchanger 7 includes a substantially vertical portion 7a disposed above the drain pan 8, and an inclined portion 7b inclined from the rear. Reference numeral 9 denotes a filter cleaning unit, which includes a rotating unit 10 for rotating the filter 5 along the inside of the main body housing 1, a dust removing unit 11 for removing dust on the filter 5, and a dust storage unit 12. It is composed of The filter 5 has a space ratio of 25% or more and an opening ratio of 25 micrometers or more.
For example, it is formed of a wire mesh made of a stainless steel wire, a copper wire, a brass wire, or the like.

FIG. 2 shows a filter cleaning means according to the present invention.
FIG. 9 is a perspective view showing one embodiment of the present invention. In FIG. 2, a rail 14 is disposed between the heat exchanger 7 and the suction port 2 of the main housing 1, and the rail 14 is connected to the main housing 1.
When viewed from the side, the filter 5 is formed in a substantially inverted “S” shape, and is formed to guide the filter 5. The rail 1
4 are arranged in pairs on both sides of the filter 5, and both sides of the filter 5 are provided with grooves 23 formed in the rail 14.
It is fitted and arranged inside. At the lower end of the filter 5, a filter return means 13 is arranged.
The filter return means 13 is disposed near the rail 14 and is formed by a spiral spring having one end locked to the filter 5. The upper end of the filter 5 is formed in a roll shape and wound around a roll shaft 24, and a filter rotation motor 25 is arranged on the roll shaft 24. With the rail 14, the filter rotation motor 25, and the filter return means 13,
The rotating means 10 is constituted. 15 waste removal means
11 is a bristle brush as one embodiment, which is formed in a roll shape, and is formed so as to be rotatable with the bristles pressed against the filter 5.

With this configuration, the filter cleaning device 9 according to the present invention operates as follows. That is, during normal air-conditioning operation, the filter 5 is disposed between the suction port 2 and the heat exchanger 7 , and collects dust in the air in the room to be sucked. At this time, since the filter 5 is formed of a wire net having a space ratio of 25% or more and an opening ratio of 25 micrometers or more, it does not cause clogging and drastically reduce the circulating air volume of the air conditioner. Next, at the time of dust removal, the filter 5 is wound around the roll shaft by driving the filter rotation motor 25. At the same time, the bristle brush 15 pressed against the filter 5 operates so as to scrape off dust attached to the filter 5 while rotating. The scraped-off garbage accumulates in the garbage storage unit 12. After completion of the dust removal operation, the spiral spring as the filter return means 13 is operated to pull the filter 5 and return the filter 5 to its original position. Since the filter 5 is formed of a wire mesh, there is an effect that the mesh is not cut or worn even when the dust removing operation is repeatedly performed, and that the return position is excellent in reproducibility. In addition, since the rails 14 are arranged on both sides of the filter 5, the space between the suction port 2 and the heat exchanger 7 in the main body housing 1 is narrow, and the space is substantially inverted. There is an effect that the filter 5 can be rotated in spite of being bent.

In FIG. 1, in the embodiment of the present invention, the refuse storage section 12 is disposed on the back of the main body housing 1. As another embodiment of the present invention, the rail 14 and the filter rotation motor 25 constituting the rotation means 10 ,
In the filter return means 13, the arrangement of the filter rotation motor 25 and the filter return means 13 is reversed,
The filter return means 13 may be arranged at the upper end of the filter, and the filter rotation motor 25 may be arranged at the lower end of the filter. In such a case, the refuse storage unit 12 is disposed on the front panel 26 of the main housing 1. (Not shown) Further, as another embodiment of the present invention, the refuse storage section 12 may be formed so as to be detachable from the main body housing 1. (Not shown) By forming in this manner, there is an effect that dust accumulated in the main body housing 1 can be sometimes removed and discarded.

FIG. 3 is a longitudinal sectional view showing another embodiment of the air conditioner according to the present invention. In FIG. 3, the dust removing means 11 is formed of a blower 16 for blowing air to dust on the filter 5. In FIG. 3, the numbers of the other components are the same as those in FIG. With such a configuration, dust on the filter 5 is blown off by the blower 16 and accumulates in the dust storage unit 12, so that a dust removing effect similar to that of the embodiment described with reference to FIGS. Having.

FIG. 4 is a longitudinal sectional view showing another embodiment of the air conditioner according to the present invention. In FIG. 4, the dust removing means 11 is formed by a cleaning liquid 17 and a liquid reservoir 18. In FIG. 4, the numbers of the other components are the same as those in FIG. With such a configuration, the dust on the filter 5 is dissolved by the cleaning liquid, separates from the filter, and accumulates in the liquid reservoir 18, so that the same dust as in the embodiment described with reference to FIGS. Has a removing effect.

FIG. 5 is a longitudinal sectional view showing another embodiment of the air conditioner according to the present invention. In FIG. 5, reference numeral 21 denotes a deodorant sprinkling means, which is arranged to face the filter 5. The deodorant spraying means 21 is formed by, for example, sealing a deodorant (not shown) together with a pressurized gas (not shown) in a container 22 with a nozzle. FIG. 5
, The numbers of the other components are the same as those in FIG. By being formed in this manner, the deodorant can be periodically sprinkled on the filter 5 to deodorize the circulating indoor air or deodorize the filter 5 itself. There is.

As another embodiment of the present invention, antibacterial agent sprinkling means (not shown) may be arranged in place of the deodorant sprinkling means 21 in FIG. By forming in this manner, there is an effect that the antibacterial agent is periodically sprinkled on the filter 5 to prevent germs from growing on the filter 5. Figure 1
5 to 5, the heat exchanger 7 has been described as an example in which the heat exchanger 7 is formed of a substantially vertical portion 7 a disposed above the drain pan 8 and an inclined portion 7 b inclined backward from above. 7 is a substantially vertical portion 7a disposed above the drain pan 8 and an inclined portion 7b inclined rearward from above.
And a substantially inverted “V” -shaped heat exchanger formed by a downwardly inclined portion (not shown) inclined downward from the end thereof, can also be provided with the filter cleaning device 9 of the present invention. .

[0027]

As described above, according to the present invention, there is provided an air conditioner with a filter cleaning function for automatically cleaning dust on a complicatedly bent filter.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing one embodiment of an air conditioner according to the present invention.

FIG. 2 is a perspective view showing an embodiment of a filter cleaning unit according to the present invention.

FIG. 3 is a longitudinal sectional view showing another embodiment of the air conditioner according to the present invention.

FIG. 4 is a longitudinal sectional view showing another embodiment of the air conditioner according to the present invention.

FIG. 5 is a longitudinal sectional view showing another embodiment of the air conditioner according to the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Main body housing 2 Inlet 3 Outlet 4 Air passage 5 Filter 6 Blower 7 Heat exchanger 7a Substantially vertical part 7b Inclined part 8 Drain pan 9 Filter cleaning device 10 Rotation means 11 Waste removal means 12 Waste storage part 13 Filter return means Reference Signs List 14 rail 15 bristle brush 16 blower 17 cleaning liquid 18 liquid reservoir 19 rear part 20 front panel 21 deodorant spraying means 22 container with nozzle 23 groove 24 roll shaft 25 filter rotation motor 26 front panel

Claims (13)

[Claims] 1. A filter, a heat exchanger, a blower, and a filter cleaning device are provided in an air passage connecting an inlet provided from a front surface to an upper surface of a main body housing and an outlet provided at a lower part of the main body housing. In the air conditioner, a filter comprising: a rotating unit for rotating the filter along the inside of the suction port of the main body housing; a dust removing unit for removing dust on the filter; and a dust storage unit. An air conditioner comprising a cleaning device. 2. The filter according to claim 1, wherein the porosity is 25% or more.
The air conditioner according to claim 1, wherein the air conditioner is formed of a wire mesh having an opening ratio of 25 micrometers or more. 3. The filter according to claim 1, wherein the rotating means comprises a rail arranged on both sides of the filter for guiding the filter, a filter rotating motor and a filter returning means. Air conditioner. 4. The heat exchanger is formed of a substantially vertical portion disposed on an upper portion of a drain pan and an inclined portion inclined rearward from above the drain portion, and the rail is provided between the heat exchanger and the suction port of the main body housing. 2. The air conditioner according to claim 1, wherein the rail is formed in a substantially inverted “L” shape when viewed from a side surface of the main body housing. 3. 5. The filter return means is disposed near the rail and one end is locked to the filter.
The air conditioner according to claim 1, wherein the air conditioner is formed of a spiral spring. 6. The air conditioner according to claim 1, wherein said dust removing means is formed by a rotatable bristle brush. 7. The air conditioner according to claim 1, wherein the dust removing means is formed by a blower that blows air to dust on the filter. 8. The air conditioner according to claim 1, wherein said dust removing means is formed by a cleaning liquid and a liquid storage container. 9. The air conditioner according to claim 1, wherein the refuse storage portion is disposed on a rear portion of the main body housing. 10. The air conditioner according to claim 1, wherein the waste storage portion is disposed on a front panel of the main body housing. 11. The air conditioner according to claim 1, wherein the waste storage portion is formed so as to be detachable from the main body housing. 12. The air conditioner according to claim 1, further comprising deodorant spraying means for spraying a deodorant on the filter. 13. The air conditioner according to claim 1, further comprising antibacterial agent spraying means for spraying an antibacterial agent on the filter.