JP2006105590A - Filter device for air-conditioner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an air-conditioner having improved maintenance quality. <P>SOLUTION: This filter device for the air-conditioner comprises an air filter 2 to be driven for collecting dust in air passing through a heat exchanger 20, a removing member 12c for removing the dust deposited on the air filter 2, and a dust storage part 8 for storing the dust removed by the removing member 12c. Therein, a suction device 9 is communicated with the dust storage part 8 and an air flow-in port 11 is provided in the dust storage part 8. Thus, the dust deposited on the air filter 2 is automatically cleaned, saving labor for periodically cleaning the air filter 2. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a filter device for an air conditioner that automatically cleans an air filter.

  In the conventional air conditioner filter device, an air filter is provided on the front surface of the heat exchanger to prevent dust from entering the inside of the air conditioner body. It is configured to be detachable so that it can be cleaned. The filter device with such a configuration not only requires frequent maintenance, but the air filter gradually clogs until maintenance is performed, resulting in a reduction in the amount of air passing through the heat exchanger. However, the air conditioning capability is reduced, leading to an increase in power consumption.

For this reason, an automatic cleaning device has been proposed in which dust attached to the air filter is periodically cleaned with a brush for the purpose of reducing the maintenance work of the air filter (see, for example, Patent Document 1).
JP 2001-99479 A

  However, in the above-described prior art, when a certain amount of time has passed, the dust collected by scraping with a brush must be processed, and the labor of maintenance has not been greatly reduced. From this point of view, an automatic cleaning device for an air filter is preferably a cleaning method in which dust attached to the air filter is scraped off with a brush and then sucked and cleaned, and the sucked dust is collected in a dust collector or discharged to the outside.

  The present invention solves the above-described conventional problems and provides an air conditioner filter device having excellent maintainability.

  In order to solve the above problems, the present invention provides an air filter that captures dust in the air, a dust removal member that removes dust attached to the air filter, and a dust storage that stores dust removed by the dust removal member. And a suction device that communicates with the dust container, and the dust container is provided with an air inlet.

  With this configuration, dust attached to the air filter can be scraped off by the removing member, collected in the dust storage unit, sucked by the suction device, and collected in the dust collector or discharged outside. .

  The filter device for an air conditioner according to the present invention enables automatic cleaning of dust adhering to the air filter and improves maintainability.

The first invention includes an air filter that captures dust in the air, a dust removal member that removes dust attached to the air filter, a dust storage unit that stores the dust removed by the dust removal member, A suction device that communicates with the dust storage portion, and the dust storage portion is provided with an air inlet, so that the dust attached to the air filter can be scraped off into the dust storage portion by the removal member. It can be sucked and collected in the dust collector or discharged outside the room.

  In the second invention, in particular, the air inlet of the first invention can be opened and closed in conjunction with the driving of the suction device, so that dust attached to the air filter can be sucked more reliably, thereby improving the cleaning property. Can be planned.

  According to a third aspect of the present invention, in particular, in any one of the first and second aspects of the present invention, the filter has drive means and a filter driven by the drive means is provided, so that dust adhering to the air filter is scraped off by the removing member. After being collected in the storage unit, it can be sucked at once with a suction device and collected in the dust collecting device or discharged to the outside.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
FIG. 1 is a perspective view of a filter device for an air conditioner according to a first embodiment of the present invention, and FIG. 2 is a cross-sectional view taken along the line II of FIG.

  As shown in FIG. 1, a filter device 1 for an air conditioner includes a rotatable winding shaft 3 and a drive motor 4 that wind an air filter 2 at a lower portion, and a rotatable support that pulls and supports an air filter 2 at an upper portion. Dust that has a shaft 5 and a spring 6 that applies a rotational force to the support shaft 5, guides the air filter 2 from the take-up shaft 3 to the support shaft 5, and can store dust in the lower portion of the frame 7 A storage unit 8 is provided. The dust storage unit 8 communicates with the suction device 9, and the suction device 9 is connected to the exhaust duct 10 and is routed outside the room. The dust storage unit 8 is provided with an air inlet 11. Further, as shown in FIG. 2, a removal member 12 c in contact with the air filter 2 is provided inside the dust storage portion 8.

  About the filter apparatus 1 of the air conditioner comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

  When the operation of the filter device 1 of the air conditioner is stopped, the air filter 2 is pulled up along the frame 7 by the elastic force of the spring 6 and supported by the support shaft 5. The entire surface is covered with an air filter 2. The dust contained in the air passing through the filter device 1 of the air conditioner is collected by the air filter 2.

  When the air filter 2 becomes dirty, when the filter device 1 of the air conditioner is operated, the drive motor 4 rotates and the air filter 2 is wound around the winding shaft 3 while moving along the frame 7. At this time, the dust adhering to the air filter 2 is scraped off by the removing member 12c and stored in the dust storage unit 8 without omission. Further, since the suction device 9 operates simultaneously with the operation of the drive motor 4, the dust scraped off by the removing member 12 c by the suction air flowing from the air inlet 11 provided in the dust storage unit 8 is removed from the dust storage unit 8. It is guided to the suction device 9 and discharged to the outside through the exhaust duct 10.

  When the air filter 2 is completely wound on the winding shaft 3 and the drive motor 4 is rotated in the reverse direction, the air filter 2 is pulled up along the frame 7 by the elastic force of the spring 6 and is in an initial state. You can return to

  Thereby, the dust adhering to the air filter 2 can be automatically cleaned.

(Embodiment 2)
FIG. 3 is a cross-sectional view of the filter device 1 of the air conditioner according to the second embodiment of the present invention, and is a cross-sectional view taken along the line II of FIG.

  In the following description, the description of the configuration and operation of the air conditioner filter device 1 that overlaps the description of the first embodiment will be omitted.

  As shown in FIG. 3, the removing members 12 a to 12 d are disposed on the top and bottom of the dust storage unit 8 and on the front and back surfaces of the air filter 2. The upper removing members 12a and 12b are structured so as to be separated from the filter surface when the air filter 2 is lowered and in contact with the filter surface when the air filter 2 is raised. Further, the lower removal members 12c and 12d are configured to contact the filter surface when the air filter 2 is lowered, and to be separated from the filter surface when the air filter 2 is raised.

  And by taking such a structure, since it becomes possible to scrape off the dust adhering to the air filter 2 more completely, cleanability can be improved.

(Embodiment 3)
FIG. 4 is a perspective view of an air conditioner filter device 1 according to a third embodiment of the present invention.

  In the following description, the description overlapping with the first and second embodiments is omitted.

  As shown in FIG. 4, an open / close valve 13 and an open / close motor 14 are provided at the air inlet 11 of the dust storage portion 8 so that the air inlet 11 can be opened and closed. The air inlet 11 is normally closed by an on-off valve 13 and opens in conjunction with the suction device 9.

  And by taking such a structure, after the dust adhering to the air filter 2 is scraped off by the removing members 12a to 12d and collected in the dust storage unit 8, the suction device 9 is operated to collect the collected dust. It can be sucked out and discharged outside the room. For this reason, the movable time of the suction device 9 can be shortened to save energy, and the noise generation time can also be shortened, so that the comfort can be improved.

(Embodiment 4)
FIG. 5 is a front view of an air conditioner according to a fourth embodiment of the present invention, and FIG. 6 is a cross-sectional view taken along the line II-II in FIG.

  As shown in FIG. 6, the heat exchanger 20 is provided inside the main body 24 of the air conditioner, and a wind passage 22 serving as an air passage is formed. A fan 21 is disposed in the air flow path 22, and a flow of air that is sucked in from the suction port 19 formed from the front surface to the upper surface of the main body 24 and blown out from the air outlet 23 is generated. Then, any one of the filter devices 1 described in the first to third embodiments is arranged in an L-shape between the suction port 19 formed from the front surface to the upper surface of the main body 24 and the heat exchanger 20. ing.

  And by taking such a structure, since the dust contained in the air suck | inhaled from the suction inlet 19 is collected by the filter apparatus 1, it can prevent that dust adheres to a heat exchanger. Further, as described in the first to third embodiments, the dust collected by the filter device 1 is automatically cleaned, so that an air conditioner having excellent maintainability can be provided.

As described above, the filter device of the air conditioner according to the present invention is excellent in maintainability that can automatically clean dust adhering to the air filter, and therefore, an air filter that collects dust in the air such as an air purifier. It can also be applied to devices equipped with.

The perspective view which shows the filter apparatus of the air conditioner in Embodiment 1 of this invention. Sectional drawing which shows the filter apparatus of the air conditioner in Embodiment 1 of this invention Sectional drawing which shows the filter apparatus of the air conditioner in Embodiment 2 of this invention The perspective view which shows the filter apparatus of the air conditioner in Embodiment 3 of this invention. Front view showing an air conditioner according to Embodiment 4 of the present invention. Sectional drawing which shows the air conditioner in Embodiment 4 of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Filter apparatus 2 Air filter 3 Winding shaft 4 Drive motor 5 Support shaft 6 Spring 7 Frame 8 Dust storage part 9 Suction device 10 Exhaust duct 11 Air inflow port 12a Removal member 12b Removal member 12c Removal member 12d Removal member 13 On-off valve 14 Opening and closing motor 19 Suction port 20 Heat exchanger 21 Fan 22 Air flow path 23 Air outlet 24 Body

Claims (3)

An air filter that captures dust in the air, a dust removal member that removes dust attached to the air filter, a dust storage portion that stores dust removed by the dust removal member, and a communication with the dust storage portion A filter device for an air conditioner, comprising: a suction device; and an air inflow port provided in the dust container. The air conditioner filter device according to claim 1, wherein the air inflow port opens and closes in conjunction with driving of the suction device. The filter device for an air conditioner according to any one of claims 1 to 2, further comprising a drive unit and a filter driven by the drive unit.

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